Across
- 3. Animals that break down dead/decaying organisms
- 4. Organisms that make their own food
- 6. Position of an organism on the food web
- 8. Branch of biology regarding the way organisms/environment interact
- 11. Animals that consume dead organisms
- 13. A group of organisms living in the same area
- 14. Nonliving things within an ecosystem that effect its organisms
- 15. Organisms that hunt and kill other organisms for food
- 19. Multiple populations living in the same area
- 20. All of the food chains in an ecosystem
- 21. Sequence of organisms and the way nutrients pass through them
Down
- 1. Living things within an ecosystem that effect its organisms
- 2. An animal that consumes only plants
- 5. An organism that gains its energy by consuming other organisms
- 7. Animals that are killed and eaten by other organisms
- 9. A living being
- 10. Natural environment of an organism
- 12. An organism that supports a smaller organism
- 13. An organism that lives on/within another organism and causes it harm
- 16. The system an environment and its organisms form through interactions
- 17. An animal that consumes plants and animals
- 18. Sum of all ecosystems on Earth