Unit 6 Vocab

6. the system of growing a different crop each year
12. biological community of interacting organisms
13. natural resource that is used up faster than it can be replaced by natural processes
16. consists of all life on Earth and all parts of the Earth
17. biology that deals with the relations of organisms to one another
20. An increased concentration of a chemical within an organism
22. species on which other species in an ecosystem largely depend
24. the rate at which an ecosystem returns to its original state
25. Breakup of a habitat into smaller pieces

1. impact of a person or community on the environment
2. living things in a echosystem
3. An ecological succession that occurs after a major disturbance
4. Each step in a food chain or food web
5. An ecological succession that begins in an area where no biotic
7. The cultivation or farming of seafood under controlled conditions
8. Damage done to a habitat that results in the loss of resources
9. An organism that makes its own food
10. A species, often introduced by humans, that takes hold outside its native range.
11. non living things
14. capable of being readily decomposed
15. A natural resource that can be replaced at the same rate at which the resource is consumed
18. the variety of life, or number of species, present within an ecosystem
19. organism that obtains energy by feeding on other organismsorganism that obtains energy by feeding on other organisms
21. The increase in chemical concentration in animal tissues
23. The loss of some or all of a soil's ability to support plant growth