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22 Cards in this Set
- Front
- Back
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natural resource |
anything that occurs naturally in the enviroment and is used by humans |
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polution |
the contamination of Earth's land, water, or air |
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point source |
a specific pollution source that can be identified |
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nonpoint source |
pollution in a wide spread form who's origin cannot be identified |
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enviromental science |
the study of natural processes in the environment and how humans can affect them
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renewable resource |
a resource that is always available or naturally replaced in a short time
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nonrenewable resource |
resources that are not replaced in a useful time frame
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sustainable use |
using a resource in ways that maintain it at a certain quality for a certain period of time
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ecological footprint |
amount of land that individuals use to meet their resource needs and absorb the waste they produce
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conservation |
the practice of managing the use of resources wisely so they last longer
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exponential growth |
occurs when a popu,ation grows at an ever-increasing rate |
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sustainable yield |
an amount of a renewable resource that can be harvested regularly without reducing future supply |
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biodiversity |
the number of different species in an area
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keystone species |
a species that influences the survival of many other species in an ecosystem
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gene |
located within cells that hereditary information that determines an organism's traits
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extinction |
the disappearance of all members of a species on Earth
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endangered species |
species in danger of becoming extinct
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threatened species |
species that could become endangered in the near future
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habitat destruction |
the loss of a natural habitat
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habitat fragmentation |
breaking larger habitats into smaller, isolated pieces, or fragments
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poaching |
the illegal killing or removal of wildlife from their habitats
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captive breeding |
the mating of animals in zoos or in wildlife preserves |
