Male guppies found in areas without predators are more colorful than the ones found in locations with large predator populations. A population of adult guppies originating from an area with a large number of predators is transferred to a nearby area with few predators. Which of these is most likely to happen over a few generations?
There will be an increase in mutations in the offspring.
There will be an increase in mutations in the offspring.

The mortality rate of the guppies will increase.

There will be an increase in the number of colorful guppies.

Offspring will stop competing for resources.