23. Speciation
Species
Multiple Choice
Multiple ChoiceAccording to the punctuated equilibrium model of evolution, __________.
A
isolated species changing over a few thousand generations represent graduated equilibrium, not punctuated equilibrium
B
polyploidy is not a mechanism of punctuated equilibrium
C
fossils of organisms that existed during periods of stasis should be as abundant as those of organisms that existed during periods of rapid change
D
None of the listed responses is correct.
E
the tempo of evolution consists of abrupt episodes of speciation among long periods of equilibrium
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