Across
- 2. describes a process that requires oxygen.
- 5. the breakdown of carbohydrates by enzymes, bacteria, yeats, or mold in the absence of oxygen.
- 7. the process by which plants, alguae, and some bacteria use sunlight, carbon dioxide, and water to produce carbohydrates and oxygen.
- 8. a series of biochemical reactions that convert pyruvic acids into carbon dioxide and water; it is the major pathway of oxidation in animal bacterial and plant cells, and it releases energy.
- 9. a substance that gives another substance or a mixture its color.
- 10. an organism that produces its own nutrients from inorganic substances or from the environment instead of consuming other organisms.
- 11. a membrane system found within chloroplasts that contains the components for photosynthesis.
Down
- 1. an organism that obtains organic food molecules by eating other organisms or their by products and that cannot synthesize organic compounds from inorganic materials.
- 3. the synthesis of organic compounds from carbon dioxide, such as in photosynthesis.
- 4. describes a process that does not requires oxygen.
- 6. a class of pigments that are present mostly in plants and that aid in photosynthesis.