Exam 9: Sustaining Biodiversity: The Species Approach

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Egg pulling refers to ____.

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Illegal hunting for profit is called ____.

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The ____________________ has the responsibility for identifying and listing endangered and threatened oceans species under the ESA of 1973.

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National Marine Fisheries Service

The only major group of species that have escaped increasing extinction threat are the primates,where less than 10% are currently threatened with extinction.

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We know that the introduction of nonnative species often results in unforeseen consequences.This indicates that when introducing nonnative species,we would be well advised to apply the

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In ____________________ some or all of the individuals of a critically endangered species are collected for breeding so their offspring can be introduced to the wild

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In terms of habitat destruction,the greatest eliminator of species is the ____.

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The ____________________ suggests we should take measures to prevent or reduce harm to the environment and human health even if some of the cause-and-effect relationships have not been fully established scientifically.

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Some toxic chemicals,such as those in DDT,can be stored in the fat tissue of animals.As these animals become food for larger and larger animals,the amount of the toxin gets larger and larger.What is this process called?

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We should act to prevent premature extinction of species,in part because they contribute to ____________________,those services that support our economies.

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All mass extinctions thus far have been caused by natural phenomena that drastically changed environmental conditions.

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During this century,with global climate change and other human activities,the current extinction rate could reach ____________________ times the background rate of extinction.

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Four of the following are ways that the pressure can be taken off of some endangered species;one is not.Choose the one that is not.

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Which statement about the introduction of non-native species is false?

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What group of animals receives the most protection by the use of wildlife refuges?

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Which invasive species threatens the Florida Everglades?

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The Convention on Biological Diversity,ratified by 191 countries,seeks to reverse the global decline of biodiversity and share the benefits from the use of genetic resources.What has slowed this progress?

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Burmese and African ____________________ along with several other similar species,have ended up in the Everglades in Florida,after being released by their owners because they did not make good pets.

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According to biological and fossil evidence,all species eventually become extinct.

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When the Endangered Species Act was established in 1973,the list included 92 U.S.species.In 2010,that number had risen to ____.

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