Multiple Choice
Many crustaceans (e.g. ,lobsters,shrimp,and crayfish) use their tails to swim,but crabs have reduced tails that curl under their shells and are not used in swimming.This is an example of _____.
A) an adaptation
B) a homologous structure
C) natural selection
D) a vestigial trait
Correct Answer:
Verified
Correct Answer:
Verified
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