Some areas of a forest contain rich soil, while in other areas the soil is poor. Plants of a certain species grow taller in the rich soil than in the poor soil. The taller plants receive more sunlight and are able to produce more offspring than the shorter plants. If these offspring grow in rich soil, they are tall, but if they grow in poor soil, they are short. Which of the following statements best explains why this situation is not an example of evolution by natural selection?

EVIDENCE FOR EVOLUTION

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	The observed differences in plant height are not due to genetics.
B	The differences in soil conditions do not affect all plants equally.
C	The short plants and tall plants are not isolated enough from each other.
D	The short plants are not accumulating gene mutations as quickly as the tall plants.

Explanation:

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