gene flow or genetic drift can cause changes in a population
Moon is moving in a straight line. FORCE of INERTIA resists change of straight line movement.
The answer is A. Force of Earth's gravity
Centeral nervous system includes the brain and spinal cord while the peripheral includes nerves that branch out
I took the test and the answer is not shear, so don't put that one. My next choice would have been strain.
A group of similar cells that perform a single function is called a tissue.
