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"An Ecosystem's Disturbance By A Pollutant
Beginning of essay
L. Lehr
Freedman defines a pollutant as "the occurrence of toxic substances or energy in
a larger quality then the ecological communities or particular species can
tolerate without suffering measurable detriment" (Freeman, 562). Although the
effects of a pollutant on an organism vary depending on ....
Middle of essay
....anism for food. Such is the
case when a keystone species is killed. If predators were the dominant species
high on the food chain, the organisms that the predator keep to a minimum could
massively over produce creating a disturbance in the delicate balance of
carrying capacity in the ecosystem. Along with this imbalance another potential
problem in an ecosystem is the possibility of the pollutant accumulating in the
(lipophilic) fat cells. As the pollutant makes it way through the food chain it
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| Number of words: 2974 |
Approximate pages: 11 |
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