Organisms/ Misc.
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Created by:
johannagarfinkel2015 on May 26, 2010
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13 terms
Terms | Definitions |
|---|---|
 organelle | tiny cell structures that carry out specific functions |
| cell wall | a rigid layer of nonliving material that surrounds the cells of plants and some other organisms |
| nucleus | directs all of the cell's activities, including reproduction |
| mitochondria | rod-shaped organells that convert energy in food molecules to energy the cell can use to carry out its functions |
| vacuole | water-filled sac that store food and other materials |
| chloroplast | organelles that capture energy from the sun and use it to make food for the cell (only in plants) |
| autotroph | organisms that make their own food |
| heterotroph | organisms that cannot make their own food |
| prokaryote | organsims who's cells don't have a nucleus |
| eukaryote | organisms who's cells have a nucleus |
| evolution | the gradual change in a species over time |
| natural selection | a characteristic that makes an individual better suited to its environment |
| adaptations | the behaviors and physical characteristics that allow organisms to live successfully in their environments |
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