Answer:
The flow of individuals in and out of a population introduces new alleles and increases genetic variation within that population. Mutations are changes to an organism's DNA that create diversity within a population by introducing new alleles.
Explanation:
Answer:
Dead or diseased trees can serve as a food source for some birds because there are some insects which feed on these dead trees and these insects are eaten by some birds. The body of insects is made of protein so it is a good food for birds. The insects which lived in the dead and diseased trees and feed on it are termites and bugs. Termites are also known as white ants. They feed on dead bodies of plants.
Answer:
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The short plants<span> are </span>not able<span> to </span>compete<span> with </span>tall plants<span> for </span>sunlight<span>. ... The </span>tall plants, however, aremore susceptible<span> to </span>wind damage<span>. Which </span>type<span> of </span>selection<span> are the </span>plants experiencing? directionalselection<span> ... They are believed to have come from </span>one<span> common ancestor and just become </span>more<span> and</span>more<span> different due to .</span>
When blood is in the lungs,
where oxygen is plentiful, oxygen easily binds to the first subunit and then quickly fills up the remaining ones. Then, as blood circulates through the body, the oxygen level drops while that of carbon dioxide increases. In this environment, hemoglobin releases its bound oxygen.