Across
- 3. An organism that forms the base of any ecosystem and must be found in the greatest proportions.
- 5. An organism that must eat other organisms to get energy.
- 6. The process through which all organisms convert sugar into usable energy.
- 7. The source of energy for organisms in an ecosystem.
Down
- 1. Any organism that makes food for itself, primarily through photosynthesis.
- 2. The cell structure in which photosynthesis takes place.
- 3. The process through which producers make glucose from carbon dioxide and water in the presence of light energy.
- 4. The type of sugar produced in photosynthesis.