The textbook from another class I’d taken explained vestigial structures this way: We have all sorts of problems as a result of our evolutionary history.”Īt the front of the lecture hall, a screen displayed a human body diagram labeled with “ vestigial structures.” Thought to offer evidence for evolution, these structures supposedly performed functions in humans’ evolutionary ancestors but now serve either no function, a reduced function, or a different function.
“If you were going to design a person from the ground up,” the professor declared, addressing my third-year zoology class, “you wouldn’t design a person the way we are now.
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