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| Anything in the environment that is used by people. |
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A resource that is either always available or is naturally replaced in a relatively short time.
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A natural resource that is not replaced in a useful time frame.
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| contamination of land, water and air |
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| The study of the natural process that occur in the environment and how humans can affect them. |
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| The process of cutting down all the trees in an area at once. |
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| The process of cutting down only some trees in an area. |
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| An amount of a renewable resource that can be harvested regularly without reducing the future supply. |
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| An area with a large population of valuable ocean organisms. |
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| The practice of raising fish and other water dwelling organisms for food. |
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| the number of different species in an area. |
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| A species that influences the survival of many others in an ecosystems. |
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A structure in an organisms cells that carries its hereditary information
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| The disappearance of all members of a species from Earth. |
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| A species in danger of becoming extinct in the near future. |
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| A species that could become endangered in the near future. |
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| The loss of a natural habitat. |
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| The breaking of a habitat into smaller, isolated pieces |
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| Illegal killing or removal of wildlife from their habitat |
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| The mating of animals in zoos or wildlife preserves. |
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Definition
| A chemical in Pacific Yew Tree bark that has cancer fighting properties. |
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