Across
- 3. comes from plants and animals
- 7. a group of a population
- 8. global ecosystem composed of living orgaisms
- 9. source of origin
- 10. showing the cladistic relationship between a numberof species
- 15. the area and resources useed by a particular species
- 16. organsims that produce its own food
- 17. community interacting organisms and thier physical environment
- 19. a person who buys goods
- 20. a system of interlocking and interdependent food chains
- 21. the role an organism plays in a community
Down
- 1. eats both plants and animals
- 2. area classified according to the species that live in that location
- 4. organisms that make ther own food
- 5. complex organic substances
- 6. feeds mostly on plants
- 11. a type of symbiotic relationship where all species involved benefit from thier interactions
- 12. a branch of biology
- 13. organism that breaks down dead organic material
- 14. animals that feed on flesh
- 18. where the chain goes down or up