Across
- 3. earth's region covered in living organisms
- 7. only eats plants
- 8. eats other plants or animals for energy
- 12. amount of organisms living in the same area
- 14. larger organisms harboring a smaller one
- 16. living thing functioning as an individual
- 17. eats both plants and meat
- 19. cannot make their own food
- 20. only eats meat
- 22. one organism lives off the other to ones expense
- 23. produce own food
- 24. living components in the environment
Down
- 1. position it occupies on food web
- 2. consumes the remains of other animals
- 4. web all food chains in ecosystem
- 5. breaks down dead material
- 6. killed and eaten by other animals
- 9. hunts and eats other animals
- 10. make their own food
- 11. community of living organisms
- 13. various species interacting in a common location
- 15. chain living things linked one feeding onto the next
- 18. study of relationships between organisms
- 21. natural home for living thing
- 25. nonliving components in the ecosystem