In all organisms some of the energy that is taken in is

Ais a group of individuals of the same that exist together in the same place at the same time

If your blood becomes too concentrated with iona, what will happen to the red blood cells

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of