Genetic variation<span> occurs </span>mainly<span> through DNA mutation, gene flow (movement of genes from one population to another) and sexual reproduction</span>
Well the niche of a squirrel mostly depends on the niche of a temperate rainforest.The trees need water and sunlight to make a nut.Then the squirrel finds the nut and stores it for the winter
<span> because if the shape of the enzyme changes it may not function or it may function differently.
hope this helps</span>
Based on factors affecting population, the rapid increase in the rabbit population could be dues to high fertility rate, abundance of food and lack of predators.
<h3>What is population increase?</h3>
Population increase refers to the increase in the number if species of an organism found in a given habitat over time.
Increase in population can be brought about by factors such as;
- abundance of food
- high fertility rate
- favorable environmental conditions
- lack of predators
Therefore, the rapid increase in the rabbit population could be dues to high fertility rate, abundance of food and lack of predators.
Learn more about population increase at: brainly.com/question/2408010