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Environmental Ed.
Vocabulary for environmental ed. quiz
| Question | Answer |
|---|---|
| renewable resources | resources that are naturally replaced in a relatively short time |
| nonrenewable resources | natural resources that are not replaced as they are used |
| pollution | a change to the environment that has a negative effect on living things |
| clear-cutting | the process of cutting down all trees in an area at once |
| selective cutting | the process of cutting down only some trees in an area |
| sustainable yield | a regular amount of a renewable resource that can be harvested without reducing the future supply |
| fishery | an area with a large population of valuable ocean organisms |
| aquaculture | the practice of raising fish and other water organisms for food |
| biodiversity | the number of different species in an area |
| keystone species | a species that influences the survival of many other species in an ecosystem |
| extinction | the disappearance of all members of a species from Earth |
| endangered species | a species in danger of becoming extinct in the near future |
| threatened species | a species that is vulnerable to endangerment in the near future |
| habitat destruction | the loss of natural habitat |
| habitat fragmentation | the breaking of a habitat into smaller, isolated pieces |
| poaching | the illegal killing or removal of wildlife species |
| captive breeding | the mating of endangered animals in zoos or preserves |