Across
- 2. eat only plants
- 4. Animals use ____ to grow and repair their bodies.
- 6. living matter in an ecosystem
- 8. food produced by plants
- 9. place where fresh and salt water meet in a coastal area
- 10. primary source of energy
- 11. nonliving matter in an ecosystem
Down
- 1. a name given to plants
- 3. organisms that use dead organisms as a food source
- 5. the process of plants converting sunlight into food
- 7. plant, animal, or fungus that is introduced into an ecosystem that is not a native species