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Sci. Vocab Sec. 1-2
First 8 terms in chapter 2
| Term | Definition |
|---|---|
| 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 found in the chloroplasts of plants, algae, and some bacteria. |
| stomata | small openings on the underside of a leaf through which oxygen and carbon dioxide can move. |
| autotroph | an organism that makes 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 down molecules to release energy without using oxygen. |
| heterotroph | an organism that cannot make its own food. |