Unit 8 Vocabulary

3. A trait that helps an organism survive and reproduce
6. Largest number of individuals of a population that a environment can support
7. A common demand by two or more organisms upon a limited supply of a resource; for example, food, water, light, space, mates, nesting sites.
8. A close relationship between two species that benefits at least one of the species.
9. All the different populations that live together in an area
10. An organism that makes its own food
14. A biological community of interacting organisms and their physical environment.
16. An environmental factor that prevents a population from increasing
17. Destruction of forests
18. A relationship between two organisms in which one organism benefits and the other is unaffected

1. the natural home or environment of an animal, plant, or other organism.
2. One organism benefits and the other is harmed
4. An animal that hunts other animals for food
5. An individual living thing
7. A person who purchases goods and services for personal use
10. A group of individuals that belong to the same species and live in the same area
11. Protecting and preserving natural resources and the environment
12. non-living things
13. The number of different species in an area
15. living things
19. A relationship between two species in which both species benefit