| A | B |
|---|
| photosynthesis | The process in which some organisms use water along with sunlight and carbon dioxide to make there own food. |
| autotroph | An organism that makes its own food. |
| heterotroph | An organism that cannot make its own food. |
| pigment | A colored chemical that absorbs light. |
| chlorophyll | A green pigment found in chloropasts of plants, algae, and some bacteria. |
| stomata | Small openings on a leaf through which oxygen and carbon dioxide can move. |
| 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 energy. |
