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Sci. C&H Ch 2-1, 2-2
Question | Answer |
---|---|
photosynthesis | the process by which plants and some other organisms capture the energy in sunlight and use it to make food |
pigment | a colored, chemical compound that absorbs light |
chlorophyll | a green pigment foudn in the chloroplasts of plants, algae, and some bacteria |
stomata | small openings on teh underside of aleaf through which oxygen and carbon dioxide can move |
autotroph | an organism that makes its own food |
heterotroph | an organism that cannot make its own food |
respiration | the process by which cells break down simple food molecules to release the energy they contain |
fermentation | the process by which cells break dwon molecules to release energy without using oxygen |