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Ichthyosaurs went extinct at the end of the: Question 4 answers Triassic Period Permian Period Jurassic Period Cretaceous Period
Ichthyosaurs went extinct at the end of the: Cretaceous Period.
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Asked 2/26/2013 4:12:51 PM
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The accumulation of small changes in a gene pool over a relatively short period is called: Question 2 answers anagenesis cladogenesis microevolution punctuated equilibrium
Weegy: Microevolution is the accumulation of small changes in a gene pool over a short period. (More)
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Asked 2/19/2013 10:58:36 AM
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Random changes in allele frequency in a population are called: Question 4 answers gene flow genetic drift microevolution stabilizing selection
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Asked 2/19/2013 11:05:07 AM
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Which of the following would be most likely to decrease genetic variability? Question 11 answers bottleneck genetic drift mutation random mating
Weegy: Genetic drift would be most likely to decrease genetic variability. (More)
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New species form: Question 5 answers when subspecies diverge more and more because of natural selection when members of the same species become adapted to new environments all of the above
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Updated 4/18/2016 1:41:56 PM
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ALL OF THE ABOVE. New species form when subspecies diverge more and more, because of natural selection, and when members of the same species become adapted to new environments.

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The traditional, Darwinian view of evolution was that of: slow, gradual change over long periods of time moderate changes over long periods of time fast, rapid changes in a short amount of time species do not change
Weegy: The traditional, Darwinian view of evolution was that of: slow, gradual change over long periods of time. (More)
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