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3.2/3.3 vocab

science chapter 3

TermDefinition
selectively permeable
diffusion the main method by which small molecules move across the cell membrane
osmosis the diffusion of water molecules 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 an organism that makes its own food
heterotroph an organism that cannot make its own food
pigment colored chemical compounds that absorb light
chlorophyll the main photosynthetic pigment in chlorophyll
stomata carbon dioxide enters the plant through these small openings on the undersides of leaves
Created by: S730495
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