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"An Ecosystem's Disturbance By A Pollutant
Part 1 of Paper
....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 the dose and duration
(how long administered). The impact can be one of sublethality to lethality, all
dependent upon th.... Part 2 of Paper
....r of individuals and spreads over to other
individuals, such is the case when crop dusters spread herbicides, insecticides.
Next we look at population damage by a pollutant, which in turn has a
detrimental effect on the ecosystem in several ways. First, by the killing of an
entire population by a pollutant, it offsets the food chain and potentially
kills off other species that depended on that organism for food. Such is the
case when a keystone species is killed. If predators were the dominant s.... |
| Number of words: 2974 - Approximate pages: 11 |
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