According to Bergmann's rule,
A. the longer two populations have been separated, the more genetically disparate they will be.
B. hominins such as Cro-Magnons were capable of symbolic thinking, because they buried their dead with flowers.
C. variation exists because of genetic inheritance.
D. plants and animals that live at the same time evolve together.
E. animals in colder regions have bulkier body builds.
Answer: E
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