unit 8

2. Place where an organism lives
7. A consumer that eats only plants.
9. no two species can occupy the same niche in the same habitat at the same time
11. An organism that cannot make its own food.
12. a system of interlocking and interdependent food chains.
13. total amount of living tissue within a given trophic level
14. A community of organisms and their abiotic environment
18. All the different populations that live together in an area
19. A group of ecosystems with similar climates and organisms
20. A series of events in which one organism eats another and obtains energy.

1. A consumer that eats only animals.
3. An organism that makes its own food
4. a scavenger, such as an earthworm, that feeds on dead plant and animal matter
5. Non-living parts of our environment
6. one organism benefits and the other is unaffected
8. A diagram that shows the biomass of organisms at each trophic level
10. The study of how living things interact with each other and their environment
15. An organism that breaks down wastes and dead organisms
16. living parts of an ecosystem
17. part of Earth in which life exists including land, water, and air or atmosphere