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Intro to BiologyChapter 1-3
http://www.biology4kids.com/files/cell_main.html
KEY CONCEPTS:What are the characteristics of living things?
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BIOLOGY
=__________________= ________________Study of living things
BacteriaImage from: https://reader010.{domain}/reader010/html5/0530/5b0e80527e040/5b0e8053d61e8.jpg
The science of LIFE
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Characteristics of
ALL LIVINGTHINGS
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1.______________________________
2. ______________________________
3. ______________________________4. _____________________________
5.______________________________
6. ______________________________
7. ______________________________
8. ______________________________
Made of cells.Reproduce
Based on universal genetic code
Maintain a stable internal environment
Grow and develop
Obtain and use materials & energy
Respond to their environment
As a group, change over time
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ALL LIVING THINGS ARE:
Made of cells
The _____ is the
______________.basic unit of life
http://sps.k12.ar.us/massengale/study_guides_bi.htm
CELL
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ALL LIVING THINGS ARE:
Made of cells____________organisms are
_____________made of only 1 cell
Image from: http://www.agen.ufl.edu/~chyn/age2062/lect/lect_06/bacsiz.GIF
(Ex: _________)
UNICELLULAR
bacteria
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ALL LIVING THINGS ARE:
Made of cells_________________ organisms_______ as _________ but as
adults are_________________________
Ex: (_____________________ )
MADE OF MANY CELLS
Images from:
http://www.angelbabygifts.com/http://www.inclusive.co.uk/downloads/images/pics2/tree.gif
MULTICELLULARBEGIN ONE CELL
a humana tree
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ALL LIVING THINGS
Reproduce________________________
_____________the
___________________
from _____________
________________
Seen in animals and plants
SEXUAL REPRODUCTION
Family image from: http://babyhearing.org/Parenet2Parent/index.asp
combines
sperm + egg = baby
genetic material
2 parents
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_________________________
makes a new organismusing the________________
from_________________
Seen in bacteria, plants, and some animals
ASEXUAL REPRODUCTION
Planaria animation: http://www.t3.rim.or.jp/~hylas/planaria/title.htm
ALL LIVING THINGS
Reproduce
genetic material
ONLY 1 PARENT
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In _____________ organisms,like a bacterium, growth ismostly a simple
________________.
Image by Riedell
ALL LIVING THINGS
Grow & develop
INCREASE in SIZE
SINGLE CELLED
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Multicellular organisms grow biggerby __________________AND _____________________.
increasing cell size
increasing cell number
Image from: http://www.bcps.org/offices/lis/models/life/images/grow.JPG
Image by Riedell
ALL LIVING THINGS
Grow & develop
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MULTICELLULAR ORGANISM dontjust contain MANY CELLS but
many _______________ of cellswith _____________________
Image from: http://www.isscr.org/images/ES-cell-Fig-2.jpg
DIFFERENT KINDSDIFFERENT FUNCTIONS
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The ________________EMBRYONIC STEM CELLSinto different looking ADULTcells doing different jobs =
__________________________DIFFERENTIATION
Image from: http://www.ncu.edu.tw/~ls/graph/faculty_pictures/whole_time/SLC/SLC_lab-1.jpg
PROCESS OF CHANGING
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_________________________
what makes them ___________ is_______________ are_______________________
See end of show for image sources
All cells have the SAME DNA...
WHICH GENESTURNED ON or OFF
different
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Its like having a whole libraryfull of books, but reading onlythe books that are important toyou.
http://www.adc.state.az.us/programs/offlibsvs.html
http://school.discovery.com/clipart/clip/report2.html
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ALL LIVING THINGSTake in Materials & Use Energy
To________________,organisms_______ a constant supply of
____________________ &____________
This sheep uses theMOLECULES and ENERGYin the food it eats to
make more sheep
grow and developneed
BUILDING MATERIALSENERGY!
http://ag.ansc.purdue.edu/sheep/ansc442/Semprojs/2003/spiderlamb/eatsheep.gif
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ALL LIVING THINGS
Take in Materials & Use Energy___________ useenergy from sunlight
or chemicals to________________
Ex: _____________ use____________to turn_________ into _________
AUTOTROPHS
http://www.inclusive.co.uk/downloads/images/pics2/tree.gif
Image from: http://vilenski.org/science/safari/cellstructure/chloroplasts.html
make their own food
GREEN PLANTSphotosynthesis
glucose
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ALL LIVING THINGS
Take in Materials & Use Energy
______________
get their energy by___________________
Ex: ________ (including you)and _________________
HETEROTROPHS
Image from: http://www.epa.gov/region5/superfund/ecology/images/fishcartoon.gif
consuming other organisms
Animalsmost bacteria
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Vocab wordthe combination of all the_________________ through
which an organism ________ or___________ materials as itcarries out its life processes
= ___________________metabolism
chemical reactions
builds upbreaks down
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ALL LIVING THINGS
Respond to their environmentA signal to which an organism responds= ___________________STIMULUS
Image from: http://www.travel-net.com/~andrews/images/animations/traffic.gif
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ALL LIVING THINGS
Respond to their environmentA stimulus can be
_________________EXTERNAL
Image from: http://www.ccs.k12.in.us/chsBS/kons/kons/images/stimresp.jpg
http://www.nofretete-page.de/gemischtNeu/TN_plant_grow_w.JPG
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Ex: When there is enoughwaterand ground is warm enough,
seed germinates. Rootsrespond to
gravity & grow downward.Leaves respond to sunlight& grow up.
http://www.nofretete-page.de/gemischtNeu/TN_plant_grow_w.JPG
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ALL LIVING THINGS
Respond to their environmentA stimulus can be
____________
http://www.israellycool.com/eat%20guy%20AFP.jpg
http://www.estrellamountain.edu/faculty/farabee/biobk/BioBookCHEM2.html
INTERNAL
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Ex: When theglucose level in yourbloodstream
becomes low, yourbody responds by
making you feelhungry.
http://www.israellycool.com/eat%20guy%20AFP.jpg
l
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VOCAB WORD
A cell works to keep conditionsinside the cell constant =______________________
IF temperature, water content,nutrients, acidity change too much
. . . the cell will die.
HOMEOSTASIS
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HOMEOSTASIS involves
internal __________ mechanisms
If body temp drops too low,shivering producesheat to warm you up.
http://www.dreamstime.com/thumb_4/1099235658Q3A4x8.jpg http://www.clipartheaven.com/clipart/seasons_&_weather/overheating_2.gif
If temp is too hot,sweating cools you down.
FEEDBACK
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HOMEOSTASIS
Drinking a BIG GULPincreases the amount
of water in your body
http://pluck.typepad.com/photos/uncategorized/restroom_blog.gif
Your next stop getsrid of the excess water.(OSMOREGULATION)
http://www.me-go.net/rtw/images/biggulp.jpg
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ALL LIVING THINGS
as a group, change over time= ______________
Allows _______ of________ in a
___________
EVOLUTION
survivalspecies
changing world
http://cache.eb.com/eb/image?id=63386&rendTypeId=4
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For something tobe categorized as
living or
nonliving, whatare essential?
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God is the source ofall life. It is to Him
that we oweeverything in the
natural world.
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All characteristics
of life are madepossible by God.
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Even if science triesvery hard to
duplicate life
through differentadvances,
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it remains impossible
to do so asPERFECTLY as
God designed allforms of life.