2
QuizMultiple Choice

Evidence for Evolution

Question 2 • PARTA - EOP: PGCPS BIOGEOCHEM CR (FALL2026) - 798113

Monkeys and bats have similar bone structure in their forelimbs. However, monkeys have longer forelimbs to use for climbing and swinging in trees. Bats have shorter forelimbs to use for flight.Which term best describes how monkey and bat forelimbs are related to each other?

Answer
A
homologous
B
embryonic
C
analogous
D
vestigial

Explanation

Monkey and bat forelimbs have a similar underlying bone structure, even though they are adapted for different functions: climbing and swinging in monkeys, and flight in bats. Structures with similar anatomy because of shared ancestry are called homologous structures. “Analogous” structures have similar functions but different underlying structures.

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