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EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Complete each definition with the right evidence from the word
bank below:
1. ____________: Study of remains of organisms from other
eras.
2. ____________: Study of similarities between DNA, amino
acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer functions,
they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossil record Biogeography Comparative Anatomy
Embryology Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Complete each definition with the right evidence from the word
bank below:
1. ____________: Study of remains of organisms from other
eras.
2. ____________: Study of similarities between DNA, amino
acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer functions,
they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils record Biogeography Comparative Anatomy
Embryology Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Complete each definition with the right evidence from the word
bank below:
1. ____________: Study of remains of organisms from other
eras.
2. ____________: Study of similarities between DNA, amino
acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer functions,
they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossil record Biogeography Comparative Anatomy
Embryology Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES Key
Complete each definition with the right evidence from the word
bank below:
1. Fossil record: Study of remains of organisms from other eras.
2. Molecular evidences: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. Biogeography: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. Vestigial organs: Primitive organs with no longer functions,
they talk about the past.
5. Comparative anatomy: Study of homologies and analogies in
organisms.
6. Embryology: Comparing embryos in development to discover
similarities.
Fossils record Biogeography Comparative Anatomy
Embryology Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Next fossil, Tiktaalik roseae, has been one of the last important
discoveries in paleontology.
By: Obsidian Soul
1. Why is this fossil important?
_________________________________________________
_________________________________________________
_________________________________________________
2. It is considered a transitional fossil. What does it mean?
_________________________________________________
_________________________________________________
_________________________________________________
3. About the two groups it relates, which characteristics did
Tiktaalik have of each one?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
Next fossil, Tiktaalik roseae, has been one of the last important
discoveries in paleontology.
By: Obsidian Soul
1. Why is this fossil important?
_________________________________________________
_________________________________________________
_________________________________________________
2. It is considered a transitional fossil. What does it mean?
_________________________________________________
_________________________________________________
_________________________________________________
3. About the two groups it relates, which characteristics did
Tiktaalik have of each one?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Next fossil, Tiktaalik roseae, has been one of the last important
discoveries in paleontology.
By: Obsidian Soul
1. Why is this fossil important?
_________________________________________________
_________________________________________________
_________________________________________________
2. It is considered a transitional fossil. What does it mean?
_________________________________________________
_________________________________________________
_________________________________________________
3. About the two groups it relates, which characteristics did
Tiktaalik have of each one?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES Key
Next fossil, Tiktaalik roseae, has been one of the last important
discoveries in paleontology.
By: Obsidian Soul
1. Why is this fossil important?
Because it explains the transition between aquatic animals
(fish) and terrestrial animals with four limbs.
2. It is considered a transitional fossil. What does it mean?
It connects two different group of organisms, in this case fish
with four limbs terrestrial organisms.
3. About the two groups it relates, which characteristics did
Tiktaalik have of each one?
It had scales like fish, but it had ribs and lungs, flat head, it
could move the neck, and inside its fins it had the basic
structure of bones found in terrestrial animal limbs (one
bone-two bones-little bones-digits).
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Observe next pictures:
1. What do they represent?
_________________________________________________
_________________________________________________
2. Explain how they can be formed.
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
3. What kind of information can they provide us?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
Observe next pictures:
1. What do they represent?
_________________________________________________
_________________________________________________
2. Explain how they can be formed.
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
3. What kind of information can they provide us?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Observe next pictures:
1. What do they represent?
_________________________________________________
_________________________________________________
2. Explain how they can be formed.
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
3. What kind of information can they provide us?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES Key
Observe next pictures:
1. What do they represent?
They represent fossils, remains of organisms from other
eras.
2. Explain how they can be formed. After they die, they
decompose, remaining their hard parts: shells, bones,
exoskeletons. They can be under layers of rocks, inside
amber, or sometimes we just find their prints in rocks.
3. What kind of information can they provide us? They give us
information about organisms that lived in the past, some of
them extinct, others are the ancestors from today’s
organisms and help us explain their evolution.
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Observe next picture:
Author: Kurt Rosenkrantz
1. What does it represent?
_________________________________________________
_________________________________________________
2. How is each one of these layers called?
_________________________________________________
3. Based on the Law of Superposition, where do we find the
oldest fossils? And the youngest?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
Observe next picture:
Author: Kurt Rosenkrantz
1. What does it represent?
_________________________________________________
_________________________________________________
2. How is each one of these layers called?
_________________________________________________
3. Based on the Law of Superposition, where do we find the
oldest fossils? And the youngest?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Observe next picture:
Author: Kurt Rosenkrantz
1. What does it represent?
_________________________________________________
_________________________________________________
2. How is each one of these layers called?
_________________________________________________
3. Based on the Law of Superposition, where do we find the
oldest fossils? And the youngest?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES Key
Observe next picture:
Author: Kurt Rosenkrantz
1. What does it represent?
Different geological layers from different periods with fossils.
2. How is each one of these layers called?
Strata
3. Based on the Law of Superposition, where do we find the
oldest fossils? And the youngest?
The oldest are in the bottom, in this case the Trilobites; the
youngest in the upper layer near the surface, in this case the
Ferns.
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Observe next picture:
1. What does it represent?
_________________________________________________
_________________________________________________
2. Why this macrocontinent doesn’t exist now?
_________________________________________________
_________________________________________________
3. How is Pangea related with the evolution of organisms?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
4. How is it called the science that study the organisms and
their distribution on Earth?
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
Observe next picture:
1. What does it represent?
_________________________________________________
_________________________________________________
2. Why this macrocontinent doesn’t exist now?
_________________________________________________
_________________________________________________
3. How is Pangea related with the evolution of organisms?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
4. How is it called the science that study the organisms and
their distribution on Earth?
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Observe next picture:
1. What does it represent?
_________________________________________________
_________________________________________________
2. Why this macrocontinent doesn’t exist now?
_________________________________________________
_________________________________________________
3. How is Pangea related with the evolution of organisms?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
4. How is it called the science that study the organisms and
their distribution on Earth?
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES Key
Observe next picture:
1. What does it represent?
Pangea
2. Why this macrocontinent doesn’t exist now?
The plates continuously move due to the continental drift
3. How is Pangea related with the evolution of organisms?
When the continents separated, some organisms from the
same species were isolated in different populations without
contact. They became different species because they
adapted to their own environments.
4. How is it called the science that study the organisms and
their distribution on Earth?
Biogeography
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
The kiwi bird has many similarities with other birds like the ostrich
or the emu. But these organisms live really far away from each
other: the kiwi birds are from New Zealand, the ostrich is from
Africa and the emu bird is from Australia.
Kiwi bird Ostrich
1. Which similarities do these birds have?
_________________________________________________
_________________________________________________
_________________________________________________
2. Why do these birds have so many similarities?
_________________________________________________
_________________________________________________
_________________________________________________
3. Which is the name of the science that study these
relationships?
_________________________________________________
4. Give another example of this type of evidence:
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
The kiwi bird has many similarities with other birds like the ostrich
or the emu. But these organisms live really far away from each
other: the kiwi birds are from New Zealand, the ostrich is from
Africa and the emu bird is from Australia.
Kiwi bird Ostrich
1. Which similarities do these birds have?
_________________________________________________
_________________________________________________
_________________________________________________
2. Why do these birds have so many similarities?
_________________________________________________
_________________________________________________
_________________________________________________
3. Which is the name of the science that study these
relationships?
_________________________________________________
4. Give another example of this type of evidence:
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
The kiwi bird has many similarities with other birds like the ostrich
or the emu. But these organisms live really far away from each
other: the kiwi birds are from New Zealand, the ostrich is from
Africa and the emu bird is from Australia.
Kiwi bird Ostrich
1. Which similarities do these birds have?
_________________________________________________
_________________________________________________
_________________________________________________
2. Why do these birds have so many similarities?
_________________________________________________
_________________________________________________
_________________________________________________
3. Which is the name of the science that study these
relationships?
_________________________________________________
4. Give another example of this type of evidence:
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES Key
The kiwi bird has many similarities with other birds like the ostrich
or the emu. But these organisms live really far away from each
other: the kiwi birds are from New Zealand, the ostrich is from
Africa and the emu bird is from Australia.
Kiwi bird Ostrich
1. Which similarities do these birds have?
They are birds that cannot fly, with wide abdomen.
2. Why do these birds have so many similarities?
Because they come from a common ancestor.
3. Which is the name of the science that study these
relationships?
Biogeography
4. Give another example of this type of evidence:
We have the camels in Asia, dromedaries in Africa and
guanacos in South America.
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Here we have three different embryos, one from a human, one from
a fish and one from a reptile:
1. Could you say which one correspond to each one?
_________________________________________________
_________________________________________________
2. What similarities do they have?
_________________________________________________
_________________________________________________
_________________________________________________
3. What kind of evidence is this? What does it mean?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
Here we have three different embryos, one from a human, one from
a fish and one from a reptile:
1. Could you say which one correspond to each one?
_________________________________________________
_________________________________________________
2. What similarities do they have?
_________________________________________________
_________________________________________________
_________________________________________________
3. What kind of evidence is this? What does it mean?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Here we have three different embryos, one from a human, one from
a fish and one from a reptile:
1. Could you say which one correspond to each one?
_________________________________________________
_________________________________________________
2. What similarities do they have?
_________________________________________________
_________________________________________________
_________________________________________________
3. What kind of evidence is this? What does it mean?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES Key
Here we have three different embryos, one from a human, one from
a fish and one from a reptile:
1. Could you say which one correspond to each one?
The first one is the fish, the second one the reptile, the third
one the human.
2. What similarities do they have?
The presence of tail and the presence of gills.
3. What kind of evidence is this? What does it mean?
It is embryology evidence. It means that they share a
common ancestor.
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
The dolphin and the shark are two aquatic animals that have
analogous structures in their bodies.
1. What is an analogous structure?
_________________________________________________
_________________________________________________
2. Which analogous structure or structures do you think they
have?
_________________________________________________
_________________________________________________
_________________________________________________
3. Why do you think they have developed these analogous
structures?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
The dolphin and the shark are two aquatic animals that have
analogous structures in their bodies.
1. What is an analogous structure?
_________________________________________________
_________________________________________________
2. Which analogous structure or structures do you think they
have?
_________________________________________________
_________________________________________________
_________________________________________________
3. Why do you think they have developed these analogous
structures?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
The dolphin and the shark are two aquatic animals that have
analogous structures in their bodies.
1. What is an analogous structure?
_________________________________________________
_________________________________________________
2. Which analogous structure or structures do you think they
have?
_________________________________________________
_________________________________________________
_________________________________________________
3. Why do you think they have developed these analogous
structures?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES Key
The dolphin and the shark are two aquatic animals that have
analogous structures in their bodies.
1. What is an analogous structure?
Analogous structures are those with the same function but
different origin, due to convergent evolution.
2. Which analogous structure or structures do you think they
have?
The fins to swim.
3. Why do you think they have developed these analogous
structures?
Because they are adapted to live in the same environment.
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
This is a human appendix, an example of vestigial structure:
1. What is a vestigial structure?
_________________________________________________
_________________________________________________
2. What kind of information a vestigial structure gives us?
_________________________________________________
_________________________________________________
_________________________________________________
3. Give more examples of vestigial structures.
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
This is a human appendix, an example of vestigial structure:
1. What is a vestigial structure?
_________________________________________________
_________________________________________________
2. What kind of information a vestigial structure gives us?
_________________________________________________
_________________________________________________
_________________________________________________
3. Give more examples of vestigial structures.
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
This is a human appendix, an example of vestigial structure:
1. What is a vestigial structure?
_________________________________________________
_________________________________________________
2. What kind of information a vestigial structure gives us?
_________________________________________________
_________________________________________________
_________________________________________________
3. Give more examples of vestigial structures.
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES Key
This is a human appendix, an example of vestigial structure:
1. What is a vestigial structure?
A structure in a species with no function, remain of a past
function in the organism.
2. What kind of information a vestigial structure gives us?
About past structures in the species that had specific
functions, and the lost them.
3. Give more examples of vestigial structures.
The coccyx in humans (remnant of tail), as well as the plica
semilunaris inside of the eye (remnant of the nictitating
membrane), or hind legs in a whale.
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Here there is a chart with the sequence of a certain gen in different
organisms:
HUMAN AAT-GCA-TAC-GGA-TGA-CAT-TTA DOG AAT-GGA-TTT-GAA-TGA-CAA-CTA CHIMPANZEE AAT-GGA-TAC-GGA-TGA-CAT-TTA FLY ATT-ACA-TAT-CGC-CGT-CAT-TTA MUSHROOM ATT-AAA-TAT-CCA-AAA-CAA-CTA
1. Which two organisms do you think are more closely
related? Why?
_________________________________________________
_________________________________________________
2. What kind of evidence of evolution is this?
_________________________________________________
_________________________________________________
3. What structures can be studied in this field of investigation
to find the relationships between organisms?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
Here there is a chart with the sequence of a certain gen in different
organisms:
HUMAN AAT-GCA-TAC-GGA-TGA-CAT-TTA DOG AAT-GGA-TTT-GAA-TGA-CAA-CTA CHIMPANZEE AAT-GGA-TAC-GGA-TGA-CAT-TTA FLY ATT-ACA-TAT-CGC-CGT-CAT-TTA MUSHROOM ATT-AAA-TAT-CCA-AAA-CAA-CTA
1. Which two organisms do you think are more closely related?
Why?
_________________________________________________
_________________________________________________
2. What kind of evidence of evolution is this?
_________________________________________________
_________________________________________________
3. What structures can be studied in this field of investigation
to find the relationships between organisms?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES
Complete each definition with the right evidence:
1. ____________: Study of remains of organisms from
other eras.
2. ____________: Study of similarities between DNA,
amino acid sequences and other molecules in organisms.
3. ____________: Study of the distribution of organisms on
Earth and the possibility of their connections.
4. ____________: Primitive organs with no longer
functions, they talk about the past.
5. ____________: Study of homologies and analogies in
organisms.
6. ____________: Comparing embryos in development to
discover similarities.
Fossils Biogeography Anatomy Embryology
Vestigial organs Molecular evidences
EVOLUTION
EVIDENCES
Here there is a chart with the sequence of a certain gen in different
organisms:
HUMAN AAT-GCA-TAC-GGA-TGA-CAT-TTA DOG AAT-GGA-TTT-GAA-TGA-CAA-CTA CHIMPANZEE AAT-GGA-TAC-GGA-TGA-CAT-TTA FLY ATT-ACA-TAT-CGC-CGT-CAT-TTA MUSHROOM ATT-AAA-TAT-CCA-AAA-CAA-CTA
1. Which two organisms do you think are more closely
related? Why?
_________________________________________________
_________________________________________________
2. What kind of evidence of evolution is this?
_________________________________________________
_________________________________________________
3. What structures can be studied in this field of investigation
to find the relationships between organisms?
_________________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
EVOLUTION
EVIDENCES Key
Here there is a chart with the sequence of a certain gen in different
organisms:
HUMAN AAT-GCA-TAC-GGA-TGA-CAT-TTA DOG AAT-GGA-TTT-GAA-TGA-CAA-CTA CHIMPANZEE AAT-GGA-TAC-GGA-TGA-CAT-TTA FLY ATT-ACA-TAT-CGC-CGT-CAT-TTA MUSHROOM ATT-AAA-TAT-CCA-AAA-CAA-CTA
1. Which two organisms do you think are more closely related?
Why?
The human and the chimpanzee, because their sequences
are more similar, with less differences.
2. What kind of evidence of evolution is this?
This is the molecular or biochemical evidence.
3. What structures can be studied in this field of investigation
to find the relationships between organisms?
They can compare sequences of DNA, proteins, sequences of
amino acids and other molecules.
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