Chyanne Ayres Chapter 5 Vocabulary

2. natural strips of land that allow the migration of organisms from one wilderness area to another.
3. nonnative species in an area; may take over niches of native species in an area and eventually replace them.
4. species that have rapidly decreasing numbers of individuals.
5. variety of life in an area; usually measured as the number of species that live in an area.
6. when members of a species are held by people in zoos or other conservation facilities.
8. programs that release organisms into an area where their species once lived in hopes of reestablishing naturally reproducing populations.
9. rain, snow, sleet, or fog with a pH below 7; causes the deterioration of forests, lakes, statues, and buildings.
10. field of biology that studies methods and implements plans to protect biodiversity.
12. a species in which the number of individuals falls so low that extinction is possible
13. philosophy that promotes letting people use resources in wilderness areas in ways that will not damage the ecosystem.
14. layer of the atmosphere that helps to protect living organisms on Earth's surface from damaging doses of ultraviolet radiation from the sun.

1. when the last members of a species die.
2. damage to a habitat by air, water, and land pollution.
7. separation of wilderness areas from each other; may cause problems for organisms that need large areas for food or mating.
11. different environmental conditions that occur along the boundaries of an ecosystem.