Claire Batten

2. a predator's target
3. consumes both plants and animals
5. eats dead debris. Considered to be earthworms, millipedes, and dung beetles
7. communes animals
10. consume the soft tissue of dead animals
11. consumes producers such as plants or algae
16. Two different species cannot occupy the same niche in the same place for very long
22. the nonliving aspects of the environment
23. organism harmed during parasitism
25. a relationship in which members of one species consume members of another

1. breaks down the remains and other wastes
4. occurs when competing species evolve different adaptations
6. the area disturbed from the first species to colonize
8. refers to the role of a species in ifs ecosystem
9. a symbiotic relationship in which both species benefit
12. the total mass of organisms at tropic level
13. the numbers and types of species that live in them generally change through time
14. the living aspects of the environment
15. the study of how living things interact with each other and with their environment
17. use energy from sunlight to make food by photosynthesis
18. the feeding positions in a food chain or web
19. a symbiotic relationship in which one species benefits while the other species is not affected
20. the final step in decomposition; they feed on any remaining organic matter that is left after other decomposers do their work
21. a symbiotic relationship in which one species benefits while the other species is harmed
24. the environment in which a species lives and to which it is adapted