Ecology Test Review

3. gradual change in the types of plants and animals that live in an area
4. all the organisms living in an area and the nonliving features of their environment
7. the type of change that happens slowly or time and requires organisms to adapt or change their genetics
10. the type of ecological succession that starts with bare rock
12. the non-living factors in an environment
13. when two or more individuals try to use the same limited resources
14. the presence of a substance that has harmful or poisonous effects
16. the type of ecological succession that starts with soil
17. the place an organism lives
18. the living factors m an environment
19. a valuable ecosystem that covers 71% of the Earth's surface

1. the largest number of individuals of one species that an ecosystem can support over time
2. the type of change that happens quickly and requires organisms to move and find new resources immediately
5. the traits and behaviors that help and organism survive
6. something that limits the growth of a population
8. the place and conditions in which something lives
9. a source or supply from which a benefit is produced
11. all the organisms of a same species that live in a specific environment at the same time
15. an organism's way of life