Across
- 3. nonliving part of the ecosystem tha shapes environment.
- 5. consists of all food chains in a single ecosystem.
- 6. a group of organisms that can reproduce in nature
- 9. breaking down dead organisms to simpler materials.
Down
- 1. living organism that shapes the environment.
- 2. any kind of green plant
- 4. the highest level of ecological organization
- 5. outlines who eats whom
- 7. biological community of interacting organisms
- 8. living things that have to hunt, kill and eat their food.