They're attached to the plasma membrane.
(it's at the midpoint of the cell.)
It's ADAPTIVE RADIATION because it is <span>the diversification of a group of organisms into forms filling different ecological niches.</span>
The answer is steep mountains due to it being rocks wind and rain can erode it more
Because as humans grow bigger, so does there brain. So the smaller you are, the smaller your brain.
Hope this helped!
-Edge