Assertion: From an evolutionary point of view | vedclass

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(D) The Assertion is incorrect because there is no scientific evidence suggesting that the human gestation period is shortening from an evolutionary p

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If both the Assertion and Reason are incorrect.

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(D) The Assertion is incorrect because there is no scientific evidence suggesting that the human gestation period is shortening from an evolutionary perspective. The gestation period is biologically fixed to ensure the complete development of the foetus.The Reason is correct. $A$ significant evolutionary trend in humans is the development of a larger brain (encephalization),which requires a faster growth rate of the head during the foetal stage to accommodate the increased cranial capacity.Since the Assertion is false and the Reason is true,the correct option is $D$.

Assertion: From an evolutionary point of view,the human gestation period is believed to be shortening.
Reason: One major evolutionary trend in humans has been the larger head undergoing a relatively faster growth rate in the foetal stage.

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Assertion: From an evolutionary point of view,the human gestation period is believed to be shortening.Reason: One major evolutionary trend in humans has been the larger head undergoing a relatively faster growth rate in the foetal stage.