I would say immigration only.
emigration would theoretically reduce the genetic variation as unique individuals leave, but immigration would bring unique traits into circulation in an ecosystem.
I'm not super great at biogy tho so this might not be right... :)
<span>The mirror is used to focus light through the opening in the in the stage of the microscope.</span>
Answer:melanism
Explanation:albino is when an animal has no melanin, which is the chemical that causes pigment (color). Melanism is when an animal has too much melanin and is completely black. That animal is melanistic.
Answer:
Mutations are permanent changes in the DNA due to changes in nucleotide sequences. Mutations that cause addition of extra nucleotides in a nucleotide sequences are known as frameshift mutations
They will be clean from all salt because the new water contains no salt
