Biology, 11.03.2020 01:32 rjmarin592ovzbn9
Sperm whales have vestigial hip bones, and a small percentage of sperm whales also have vestigial hind limbs. Which of the following statements best explains the presence of these vestigial structures in sperm whales?
a. Sperm whales evolved from ancestors that walked on land.
b. Sperm whales are in the process of evolving into land mammals.
c. These structures are acquired by each individual sperm whale during its lifetime.
d. These structures resulted from sperm whales having a long period of embryonic development.
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