Across
- 3. a diagram used to show the flow of energy in an ecosystem
- 6. an organism that makes its own food using sunlight
- 7. a group of different species that live in the same area
- 9. the ultimate source of energy
- 10. an organism that primarily feeds on living animals
- 11. an organism that feeds on plants and animals
- 12. an organism that must eat other organisms for food
Down
- 1. a factor in an ecosystem that is living
- 2. an organism that primarily feeds on plants
- 4. a factor in an ecosystem that is nonliving
- 5. all the living and nonliving things in an area
- 8. an organism that breaks down dead organisms