Its autotrophs, they are the first level of the food pyrimid
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... :)
A pollen, Most plants produce asexually , and pollen is produced.
The answer is.
propeller injury
Answer:
elements of a civilization
Explanation:
idk