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22 Cards in this Set
- Front
- Back
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natural resource |
anything naturally occurring in the environment that humans use |
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pollution |
contamination of earths land,water,air |
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point source |
a specific air pollution that can be indentified |
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non point source |
a specific air pollution that cannot be indentified |
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environmental science |
study of natural processes that occur in the environment and how humans can effect them |
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renewable resource |
resources that is either always available or is naturally replaced in a relitively short time |
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non renewable resource |
a resource that is not replaced in a useful amount of time frame |
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sustainable use |
the use of a resource to maintain a resource at a certain quality for a certain amount of time |
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ecological foot print |
the amount of land water individuals use |
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conservation |
the practice of using less resources so they can last longer |
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exponential growth |
growth pattern in which individuals reproduce at a constant rate;population grows |
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biodiversity |
total number of different species on Earth |
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keystone species |
a species that influences the survival of other species |
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gene |
a sequence of DNA that determines a trait |
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extinction |
the disappearance of a species |
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endangered species |
a species in danger of becoming extinct |
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threatened species |
a species that coukd become endangered |
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habitat destruction |
loss of natural habitat |
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habitat fragmentation |
the breaking of an habitat |
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poaching |
illegal killing |
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captive breeding |
mating of animals in zoos
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niche |
ncludes the physical environment to which it has become adapted as well as its role as producer and consumer of food resources
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