life under the microscope objective: to determine how living things are organized. bell work: what...
TRANSCRIPT
Life Under the Microscope
Objective: To determine how living things are organized.
Bell work: What is another name for a living thing?
Organism
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Take a few minutes to read the passage “Life
under the Microscope.”When complete, find
the correct term for the definitions on your
sheet. Remember to use good reading
strategies as you read!
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Levels of OrganizationLet’s learn about how living things are
organized…
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Muscle Cells
Bone Cells
Fat Cells
Connective Tissue Cell
Gland Cells
Red Blood Cells
Skin Cell
Cartilage Cells
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CellSmallest working unit that
serves a specific job or function. Some may live
alone, like bacteria which are unicellular
How does the shape of each cell relate to its function?
TissueMade of several cells similar in structure & function
that work together to perform a specific jobHumans have FOUR basic tissues: connective (fat, cartilage, bone,
blood); epithelial (skin), nervous and muscular
Several bone cells make up a tissue…
Wait! Not THAT kind of tissue!
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Cardiac Muscle
Epithelial Tissue
Striated Muscle
Smooth Muscle
Tissues of the
Human Body
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OrganMade of similar tissues that work together to perform a
specific activity
What other organs can you think of?
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Organ SystemGroups of one or more organs working together
to perform functions for the organism.Our human body has 11 organ systems. Can you name them?
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OrganismEntire living thing that carries out all basic life
functions. Meaning… it’s made of cells, shares similar chemicals,
can take in and use energy, grow & develop, reproduce, and sense & respond to the environment. Most organisms are made up of many cells but some
consist of only one cell such as bacteria.
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Let’s create the levels of organization for a frog. Each level must build upon the previous level. For example,
if you draw a cardiac muscle cell, then you should draw cardiac muscle tissue, a heart, & the
cardiovascular system.Cellular level (muscle cell)
Organ level (heart)
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Tissue level (muscle tissue)
Organism level (consisting of many
organ systems)Organ system level (cardiovascular system)
Let’s CHANT about the Levels of Organization!Clap your hands everybody, and everybody clap your
hands! We’re gonna chant about the cell, and everybody YELL…
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WHAT!?Teachers, be sure to turn up your volume for this slide!
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Now it’s your turn…In each circle, draw a
colorful picture to match the specific
level. For example, in the circle labeled
“cell”, draw a picture of a specific type of
cell you might find in a squirrel.
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