Given below are assertion and reason.
Point out if both are true with the reason being the correct explanation (A)
Both true but the reason is 'not correct explanation (B)
Assertion true but the reason is wrong (C)
Both are wrong (D).

Assertion.
Natural selection is the outcome of difference in survival and reproduction among individual that show variation in one or more traits.
Reason.
Adaptive forms of a given trait tend to become more common. Less adaptive ones become less or disappear.

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Solution

The correct option is A A
The procedure in nature by which, as indicated by Darwin's hypothesis of advancement, just the living beings best adjusted to their condition will, in general, endure and transmit their hereditary characters in expanding numbers to succeeding ages while those less adjusted will, in general, be killed.
So, the correct option is 'Assertion and reason are true and the reason is a correct explanation'.

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