Question

Select the incorrect statements :-

• A. By the time of 500 million years ago invertebrates were formed and were active
• B. Reptiles lay thick shelled eggs which do not dry up in sun unlike those of amphibians
• C. During stabilisation by natural selection, more individuals acquire value other than mean character value
• D. Natural selection is a heritable variation and by reproduction leave greater number of progeny

Answer 1

The correct option is C During stabilisation by natural selection, more individuals acquire value other than mean character value

Following changes occur during natural selection-
It can lead to-

• Stabilization (in which more individuals acquire mean character value),
• Directional change (more individuals acquire value other than the mean character value)
• Disruption (more individuals acquire peripheral character value at both ends of the distribution curve).

So, the correct answer is option -b.