Claire Batten

4. consume the soft tissue of dead animals
7. a symbiotic relationship in which one species benefits while the other species is harmed
8. a relationship in which members of one species consume members of another
9. a symbiotic relationship in which one species benefits while the other species is not affected
11. the environment in which a species lives and to which it is adapted
14. Two different species cannot occupy the same niche in the same place for very long
17. the feeding positions in a food chain or web
18. the study of how living things interact with each other and with their environment
20. consumes producers such as plants or algae
23. communes animals
24. breaks down the remains and other wastes
25. a symbiotic relationship in which both species benefit

1. the area disturbed from the first species to colonize
2. the final step in decomposition; they feed on any remaining organic matter that is left after other decomposers do their work
3. occurs when competing species evolve different adaptations
5. refers to the role of a species in ifs ecosystem
6. use energy from sunlight to make food by photosynthesis
10. organism harmed during parasitism
12. the nonliving aspects of the environment
13. eats dead debris. Considered to be earthworms, millipedes, and dung beetles
15. consumes both plants and animals
16. the numbers and types of species that live in them generally change through time
19. a predator's target
21. the living aspects of the environment
22. the total mass of organisms at tropic level