Across
- 2. All the living and nonliving things that interact with each other in an area.
- 5. The process that producers use to make food from carbon dioxide and water
- 6. Any organism that makes its own food.
- 8. any living thing
- 9. A gas found in air that is used to make food by photosynthesis.
Down
- 1. The process that breaks down food into simple materials that an animal’s body can use.
- 3. An organism that gets energy by eating other organisms.
- 4. An organism that gets energy by eating other organisms.
- 7. Scientist that study ecosystems
- 8. A gas found in air that is produced as waste during photosynthesis.