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Zoology 10th Edition by Stephen Miller,John Harley
Edition 10ISBN: 978-0077837273Zoology 10th Edition by Stephen Miller,John Harley
Edition 10ISBN: 978-0077837273 Exercise 2
As with the introduction of the Nile perch into Lake Victoria, our failure to understand complex ecological relationships among animals often results in detrimental consequences that require many decades, or even evolutionary time frames, to heal. Many of these detrimental consequences are direct or indirect results of the overpopulation of our planet by our own species.
What is another example of how the careless disregard of ecological relationships has resulted in detrimental environmental consequences? (If you cannot think of an example on your own, see the "Wildlife Alert" boxes in subsequent chapters.)
What is another example of how the careless disregard of ecological relationships has resulted in detrimental environmental consequences? (If you cannot think of an example on your own, see the "Wildlife Alert" boxes in subsequent chapters.)
Explanation
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There are many examples. One example is the introduction of the zebra mussel ( Dreissena polymorpha ) into the United States in the 1980's, probably being carried here in the ballast water of ships coming from Europe. The zebra mussel is a small bivalve native to southeast Russia. It lives as a filter feeder attached to firm substrates by strong protein (byssal) threads. In the United States the zebra mussel has become a serious threat to native mussels as it out-competes native mussels for food and substrate. The zebra mussel will often use the shells of other mussels as substrate for attachment, killing the native mussel. They also clog factory cooling intake pipes. These invaders first appeared in the Great Lakes in 1988 and have spread throughout the Great Lakes and into the Mississippi River drainage.
Zoology 10th Edition by Stephen Miller,John Harley
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