JMU BIO 150 Exam 1 QUESTIONS WITH
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ANSWERS
Define biodiversity - CORRECT ANSWERS ✔✔the diversity
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of plant and animal life in a particular habitat (or in the
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world as a whole) |\ |\ |\
Define genetic diversity - CORRECT ANSWERS ✔✔the
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total genetic information contained within all individuals
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of a species, population, or community
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Why is genetic diversity important? - CORRECT ANSWERS
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✔✔provides the raw materials for adaptive change |\ |\ |\ |\ |\ |\
Define adaptive change - CORRECT ANSWERS ✔✔change
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in response to the environment's "natural selection:
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Define species diversity - CORRECT ANSWERS ✔✔the
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diversity of species present in a community|\ |\ |\ |\ |\ |\
Why is species diversity important? - CORRECT ANSWERS
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✔✔species have a particular "role" in a system, so the |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
addition or loss of a species may have consequences for
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the entire system
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, How is species diversity measures? - CORRECT ANSWERS
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✔✔-species richness |\
-species abundance |\
Define species richness - CORRECT ANSWERS ✔✔number
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of species in a community
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Define species abundance - CORRECT ANSWERS ✔✔The
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number of individuals of each species
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Define ecosystem diversity - CORRECT ANSWERS
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✔✔measure of the variety of biotic components in a
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region along with abiotic components
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Why is ecosystem diversity important? - CORRECT
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ANSWERS ✔✔ecosystem functioning is dependent on
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interacting member organisms with their environment
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Define system stability - CORRECT ANSWERS ✔✔diverse
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systems are resilient after and resistant to disturbances
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Define ecosystem productivity - CORRECT ANSWERS
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✔✔diverse systems have higher net primary productivity
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ANSWERS
Define biodiversity - CORRECT ANSWERS ✔✔the diversity
|\ |\ |\ |\ |\ |\ |\
of plant and animal life in a particular habitat (or in the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
world as a whole) |\ |\ |\
Define genetic diversity - CORRECT ANSWERS ✔✔the
|\ |\ |\ |\ |\ |\ |\
total genetic information contained within all individuals
|\ |\ |\ |\ |\ |\ |\
of a species, population, or community
|\ |\ |\ |\ |\
Why is genetic diversity important? - CORRECT ANSWERS
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✔✔provides the raw materials for adaptive change |\ |\ |\ |\ |\ |\
Define adaptive change - CORRECT ANSWERS ✔✔change
|\ |\ |\ |\ |\ |\ |\
in response to the environment's "natural selection:
|\ |\ |\ |\ |\ |\
Define species diversity - CORRECT ANSWERS ✔✔the
|\ |\ |\ |\ |\ |\ |\
diversity of species present in a community|\ |\ |\ |\ |\ |\
Why is species diversity important? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔species have a particular "role" in a system, so the |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
addition or loss of a species may have consequences for
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the entire system
|\ |\
, How is species diversity measures? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔-species richness |\
-species abundance |\
Define species richness - CORRECT ANSWERS ✔✔number
|\ |\ |\ |\ |\ |\ |\
of species in a community
|\ |\ |\ |\
Define species abundance - CORRECT ANSWERS ✔✔The
|\ |\ |\ |\ |\ |\ |\
number of individuals of each species
|\ |\ |\ |\ |\
Define ecosystem diversity - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\
✔✔measure of the variety of biotic components in a
|\ |\ |\ |\ |\ |\ |\ |\ |\
region along with abiotic components
|\ |\ |\ |\
Why is ecosystem diversity important? - CORRECT
|\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔ecosystem functioning is dependent on
|\ |\ |\ |\ |\ |\
interacting member organisms with their environment
|\ |\ |\ |\ |\
Define system stability - CORRECT ANSWERS ✔✔diverse
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systems are resilient after and resistant to disturbances
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Define ecosystem productivity - CORRECT ANSWERS
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✔✔diverse systems have higher net primary productivity
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