unit 8 biology

2. eats plants and animal remains and dead matter
4. 1 organsim benefits and one is harmed
7. both organisms benefit
10. breaks down organic matter into chemical componets to be recycled
13. group of populations that live together in the same place at the same time
14. collection of all the ecosystems and biomes present on earth
16. organism who eats both plants and animals
18. organism who only eats animals
19. all organisms that live in a particular area and their nonliving environment
20. feeding relations in which one organism captures and feeds on another

1. uses energy from the environment to make their own food
3. living factors in an ecosystem
5. any realtionship between 2 organsims that live very closely with one another, includes mutualsims, parasitasm, and commensalism
6. group of ecosystems with the same climate and similar dominant or climax communities
8. nonliving factors in an ecosystem
9. organism who only eats plants
11. relies on other organisms for its energy and food supply
12. close relationship between 2 species in which one benefit and the other is unaffected
15. groups of individuals of same species living in the same place at the same time
17. the study of interations among organsims and their environment