Answer:
i think it's meiosis identical but im not sure please tell me if it's right or not
The solid Earth, the largest of Earth's four major spheres. The thin, rocky outer layer of earth and is divided into oceanic and continental crust.
Answer: A gene is in your DNA
Explanation:
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... :)