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3.2 & 3.3 Sci. Voc.
| Term | Definition |
|---|---|
| Selectively Permeable | some substance can pass through the membrane while others can not |
| Diffusion | the molecule movement of high concentrated areas to a low concentration area |
| Osmosis | is the diffusion of water through a selectively permeable membrane |
| Passive Transport | the movement of dissolved materials through a cell membrane without using cellular energy |
| Active Transport | The movement of materials through a cell membrane using cellular energy |
| Photosynthesis | the process by which a cell captures energy in sunlight and uses it to make food |
| Autotroph | Organism that can make food |
| Heterotroph | Organism that can't make food |
| Pigment | Colored chemical that absorb light |
| Chlorphyll | The main photosynthetic pigment in chloroplast |
| Stomata | Carbon dioxide enter the plant through small openings on the underside of the leaves |