Question 10

The model shows the effects of pesticides on an insect population.

What role did natural selection most likely play in this situation?

a
Some of the insects had mutations that made them resistant to the pesticide.
b
The pesticide only affected the very young and the very old insects.
c
Some of the insects became stronger due to the pesticide.
d
The pesticide caused mutations in some of the insects that allowed them to survive.

a) Some of the insects had mutations that made them resistant to the pesticide.