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The Effects Of Foreign Species Introduction On An Ecosystem - Online Term Paper

The Effects Of Foreign Species Introduction On An Ecosystem

The effects of foreign species introduction into an ecosystem are very
profound. From small microorganisms to species of large mammals, many foreign
species introductions occur every day. New implications of their introduction
are found just as often.
When a foreign species is introduced into an ecosystem, often the
ecosystem contains no natural predators for the new species. This lack of
predators sometimes leads to; in conjunction with a supply of food suitable for
the new species, a period of exponential growth of the species. This growth and
severe increase in the size of the population can cause a shortage of food for
native species. When this occurs, the native species ...

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to grow, or the biotic potential, is as well reduced. More species
residing in an ecosystem which depend on each other allows for a greater chance
of survival and perpetuation. This may occur for several reasons, for example a
bee and a flower. The bee requires the pollen of the flower to make its honey.
However, while gathering the pollen from the flowers, it transfers some of the
pollen to female flowers, allowing them to make seeds and spawn further
generations. However, a foreign species may, for example, eat the bees
therefore allowing for decreased fecundity of the flowers.
Another implication of the introduction of foreign species into an
ecosystem is the potential for toxins to be spread up the species chain is
increased. For example, in ports all over the world, ships empty their ballast
tanks containing large amounts of sea water, often laced with organisms not
naturally found in their new region. The zebra mussel provides food for a
certain type of fish, ...

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The Effects Of Foreign Species Introduction On An Ecosystem. (2007, July 1). Retrieved November 22, 2024, from http://www.essayworld.com/essays/The-Effects-Foreign-Species-Introduction-Ecosystem/67305

"The Effects Of Foreign Species Introduction On An Ecosystem." Essayworld.com. Essayworld.com, 1 Jul. 2007. Web. 22 Nov. 2024. <http://www.essayworld.com/essays/The-Effects-Foreign-Species-Introduction-Ecosystem/67305>

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PAPER DETAILS

Added: 7/1/2007 06:07:19 AM
Category: Science & Nature
Type: Premium Paper
Words: 643
Pages: 3

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