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FCSDBio-Fin Rev16-30
Regents Bio Final Review Vocabulary 16-30
| Term | Definition |
|---|---|
| growth | a process by which cells increase in number and size, resulting in an increase in size of the organism |
| synthesis | the life function by which living things manufacture the complex compounds required to sustain life |
| regulation | the life process by which living things respond to changes within & around them , and by which all life processes are coordinated |
| metabolism | all life processes of an organism |
| autotrophs | can make own food |
| heterotrophs | must obtain food from outsde sources, can't make it |
| photosynthesis | carried out by plants, alga & blue-green bacteria (autotrophs); use radiant energy of sunlight to convery carbon dioxide and water in to glucose |
| stomates | small holes in leaves that let them exchange the gases used in photosynthesis |
| guard cells | open & close the stomates |
| ATP | gives all organisms their energy (adenosine triphosphate) |
| aerobic respiration | requires oxygen, yields more energy |
| anaerobic respiration | no oxygen respiration |
| diffusion | requires no energy (passive transport); movement of molecules from hign to low concentration |
| active transport | requires the use of energy, usually moving molecules from low to high concentration (against the concentration gradient or flow of diffusion) |
| osmosis | diffusion of water into or out of a cell(passive transport) |
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