Some species that appear to be very different from other species can actually have similar anatomy. For example, scientists believe that
whales evolved from land mammals. One reason for this is the presence of several functionless hind-limb bones still found internally in a
number of whale species.
What is the term for a reduced, often functionless anatomical structure that serves as evidence of an organism's evolutionary past?
OA. vestigial structure
OB. homologous structure
OC. trace structure
OD. absorbed structure
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