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Question

Biology Question on evolution

In a species, the weight of newborn ranges from 2 to 5 kg 97% of the newborn with an average weight between 3 to 3.3 kg survive whereas 99% of the infants born with weights from 2 to 2.5 kg or 1.5 to 5 kg die Which type of selection process is taking place ?

A

Disruptive Selection

B

Cyclical Selection

C

Directional Selection

D

Stabilizing Selection

Answer

Stabilizing Selection

Explanation

Solution

The given data shows stabilising selection as most of the newborn having average weight between 3 to 3.3 kg survive and babies with less and more weight have low survival rate.