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6.Evolution
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$A$ : Muscles of external ears are fully developed in humans.
$R$ : These muscle helps in moving ear pinna in human.
A
Assertion and Reason both are correct and also correct explanation.
B
Assertion and Reason both are correct but not explanation of assertion.
C
Assertion is correct, but Reason is incorrect.
D
Both Assertion and Reason are incorrect.
Solution
These muscles are vestigial in humans.
Std 12
Biology
Similar Questions
Match the following
| Column- 1 | Column-2 (Brain Capacity) |
| $(P)$ Homo eractus | $(a)\; 1400 \;cc$ |
| $(Q)$ Homo habilis | $(b)\; 900 \;cc$ |
| $(R)$ Neanderthal Man | $(c)\; 650-800 \;cc$ |
| $(S)$ Modern Homo Sapience |
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