Ecology

5. an organism that eats other organisms for energy and nutrients because it cannot make their own food
7. Gains energy and nutrients by breaking down the remains of other organisms
9. A close long-term relationship between different species in a community
11. A symbiotic relationship in which both organisms benefit
12. studying the interactions of living organisms with each other and their environment
13. a nonliving part of an experiment
14. A consumer that eats only plants, such as a grasshopper or bison
15. Eats another animal
16. An animal that is eaten by a predator
18. Eat the leftovers of the meals of other animals or eat dead animals
19. a community of organisms and their abiotic, or nonliving, environment

1. an environment factor that keeps a population from reaching its full potential size
2. A symbiotic relationship in which one organism benefits while the other is unaffected
3. A symbiotic relationship in which one organisms benefits and other is harmed
4. Eats other animals
6. This is made up on many food chains
8. Eats both plants and animals
10. an interaction between organisms in an area
16. An autotroph, uses energy to make food
17. Occurs when organisms fight for the same limited resource