Punctuated equilibrium theory states that species emerge from divergence events that occur in relatively short periods. Option c. ongoing gene flow among all individuals.
The punctuated equilibrium theory states that species are the result of the divergence of the preceding taxonomic group. The whole group does not evolve, it diverges, and two new species emerge.
Divergence occurs in short time, and once speciation occurs, little change occurs within each group for a long time.
The correct option is c. ongoing gene flow among all individuals.
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Which components of speciation would be least likely to be a part of punctuated equilibrium?
a. a division of populations
b. a change in environmental conditions
c. ongoing gene flow among all individuals
d. a large number of mutations taking place at once
