Across
- 1. What you put into something
- 4. A natural food source, the bottom of the food chain
- 6. What you get out of something
- 7. A non-living component of an ecosystem
- 8. An animal that is hunted
Down
- 2. An animal that hunts other animals
- 3. level A position in the food chain, occupied by organisms that eat similar things
- 5. An animal that eats produce