The pyloric valve control food movement from the stomach into the small intestine.
The answer is A. it belongs to a different family.
It can't be B because all the plants have different species.
It can't be C because not all plants listed are cherry trees.
Hope this helps :)
Most scientific questions are based off of theory.
True. It also states that they cannot compete for the same resources.<span />
a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one, thus equalizing the concentrations on each side of the membran.