Cycle 8: Interdependence of Living Systems
Across
- 4. specific area with biotic and abiotic factors
- 7. nonliving thing
- 11. creating cities
- 12. a behavior that an organism is born with
- 13. a trait that helps an organism to survive
- 16. clearing of large amounts of trees
- 18. eats both plants and animals
- 19. makes its own food
- 20. supplies nutrients to plants
- 21. chemical that kills plants
Down
- 1. necessary for all life
- 2. living organism
- 3. eats only plants
- 5. happens when two or more species need the same resource
- 6. eats only animals
- 8. a species that has completely died off
- 9. gives energy to plants
- 10. an organism's role in its ecosystem
- 14. different types of life
- 15. organisms with a mouth that eat other things
- 17. very rare (limited)