LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one of the options below would we consider to be a vestigial structure in humans?
A
Eyes
B
Kidneys
C
Lungs
D
Tailbone
Explanation: 

Detailed explanation-1: -The tailbone, located at the end of the spine, has lost its original function in assisting balance and mobility, though it still serves some secondary functions, such as being an attachment point for muscles, which explains why it has not degraded further.

Detailed explanation-2: -1: Vestigial appendix: In humans the vermiform appendix is a vestigial structure; it has lost much of its ancestral function. There are also several reflexes and behaviors that are considered to be vestigial.

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