Species that are especially intolerant of physical disturbance to their environment are referred to as ____.
A. ecosystem engineers
B. indicator species
C. exotic species
D. native species
E. pioneer species
Answer: B
Biology & Microbiology
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The atom present in all organic compounds is
a. carbon. b. oxygen. c. nitrogen. d. sulfur. e. hydrogen.
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At zero population growth:a
b = d. b. b > d. c. b < d. d. r > 0. e. r > K.
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The largest U.S. national parks are of sufficient size to maintain populations of all mammal species originally found in these parks.
a. true b. false
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