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Exam 48: Human Impacts on the Biosphere

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Question 31

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Classification.Answer the following questions in reference to the four "habitat" items listed below. a.habitat fragmentation b.habitat island c.habitat loss d.habitat -Our knowledge of existing species is limited and biased toward __________.

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Question 32

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All of the following are goals of conservation biology EXCEPT

A) to investigate the decline in genetic diversity.
B) to survey the range of biodiversity.
C) to determine if loss of any specific species would be detrimental to mankind.
D) to identify ways to maintain and use biodiversity to help man.
E) all of these are goals of conservation biology.

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Question 33

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MATCHING Matching.Choose the one most appropriate answer for each. a.a reduction in suitable places to live b.organisms that give an "early warning" signal of changes in biodiversity c.new method of harvesting trees to preserve diversity d.a field of research whose goal is conservation of biodiversity e.species vulnerable to extinction f.broad land or ocean region defined by climate, geography, and producers g.ocean structure of amazing biological complexity h.locations where species are in greatest danger of extinction i.a national park is an example j. narrow corridor of vegetation along a stream or river k.isolated patches of habitat; -conservation biology

Which of the following is a deforested area more likely to experience?

MATCHING Matching.Choose the one most appropriate answer for each. a.a reduction in suitable places to live b.organisms that give an "early warning" signal of changes in biodiversity c.new method of harvesting trees to preserve diversity d.a field of research whose goal is conservation of biodiversity e.species vulnerable to extinction f.broad land or ocean region defined by climate, geography, and producers g.ocean structure of amazing biological complexity h.locations where species are in greatest danger of extinction i.a national park is an example j. narrow corridor of vegetation along a stream or river k.isolated patches of habitat; -habitat island

Classification.Answer the following questions in reference to the four "habitat" items listed below. a.habitat fragmentation b.habitat island c.habitat loss d.habitat -This describes where a species lives.

Which of the following is not a renewable energy source?

Consider a typical food chain.Which level would be at the greatest risk of suffering from exposure to a toxin based on the concept of biological magnification?

Settlers to the United States found between ____ and ____ passenger pigeons.They are extinct today.

Classification.Answer the following questions in reference to the four "habitat" items listed below. a.habitat fragmentation b.habitat island c.habitat loss d.habitat -__________ is the conversion of grassland or woodland to desertlike conditions.

Classification.Answer the following questions in reference to the four "habitat" items listed below. a.habitat fragmentation b.habitat island c.habitat loss d.habitat -We recognize three levels of biodiversity: genetic diversity, species diversity, and __________diversity.

Which of the following is not an impact of acid rain?

A U.S.submarine surfaced ____ miles from the nearest land in the arctic and found polar bears hunting on the frozen sea.

Curtis's contention that if the last blue whale were to choke on the last panda bear and it still would not be the end of the world was his way of

Classification.Answer the following questions in reference to the four "habitat" items listed below. a.habitat fragmentation b.habitat island c.habitat loss d.habitat -This could be the result of chemical pollution.

According to the text, ____ major mass extinction(s) and recovery(ies) has(have) taken place in the past.

Classification.Answer the following questions in reference to the four "habitat" items listed below. a.habitat fragmentation b.habitat island c.habitat loss d.habitat -Biologists identify __________, which are larger regions characterized by their physical characteristics as well as the species in them.

Which statement is NOT true about Monteverde Cloud Forest Reserve?

Classification.Answer the following questions in reference to the four "habitat" items listed below. a.habitat fragmentation b.habitat island c.habitat loss d.habitat -An __________ species is one that is especially sensitive to environmental change and can be monitored to determine the health of an ecosystem.

The current mass extinction is said to be 100 to 1000 times above the background extinction rate.What does this mean?