Natural Selection in a Rabbit Population

Medium Biology Evolution

The concept of natural selection is a fundamental principle of evolution, illustrating how species adapt to their environments over time. In a population of a certain species, a genetic mutation may arise that provides some individuals with enhanced survival advantages. Over numerous generations, these advantageous traits become more prevalent in the population. Considering this mechanism, which of the following scenarios best exemplifies the process of natural selection?

A population of rabbits experiences a sudden high rate of predation from a newly introduced predator, leading to the faster rabbits surviving and reproducing at higher rates.

A population of fish that swim in a river begins to show a variety of colors after an increase in environmental pollutants.

A group of trees develops thicker bark in response to an increase in temperature over several decades.

A species of insects start to show a range of behaviors when exposed to varying levels of artificial light.

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