BIOL 3410 Exam 3 Questions With Correct Answers

BIOL 3410 Exam 3 Questions With Correct
Answers


Ecology - CORRECT ANSWER✔✔-scientific study of the relationships
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between organisms and their environment
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Abundance - CORRECT ANSWER✔✔-total number of individuals in a
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population that exist within a defined area
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Distribution - CORRECT ANSWER✔✔-geographically where individuals
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of a species are present
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Geographic range - CORRECT ANSWER✔✔-measure of the total area
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covered by a population
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habitat - CORRECT ANSWER✔✔-place, or physical setting, in which an
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organism lives |




niche - CORRECT ANSWER✔✔-range of abiotic and biotic conditions
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that an organism can tolerate
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, Dispersal limitation - CORRECT ANSWER✔✔-the absence of a
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population from suitable habitat because of barriers to dispersal
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Endemic species - CORRECT ANSWER✔✔-species that live in a single,
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often isolated location
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cosmopolitan (ubiquitous) - CORRECT ANSWER✔✔-species with very
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large geographic ranges that can span several continents
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What human activities are affecting distributions? - CORRECT
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ANSWER✔✔--invasive species | |




-climate change |




-habitat fragmentation
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habitat fragmentation - CORRECT ANSWER✔✔-process of breaking up
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large habitats into a number of smaller habitats
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metapopulation - CORRECT ANSWER✔✔-population of populations
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connected by migration | |




habitat corridor - CORRECT ANSWER✔✔-strip of favorable habitat
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located between 2 large patches of habitat that facilitates dispersal
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