Diffusion is the movement of molecules from an area where they’re at a higher concentration to areas that have a lower concentration - goo gle
Natural selection can only occur because of a variety in a population. Natural selection refers to environmental factors that affect a population and causes some of the population to have more surviving offspring than others. An example is a giraffe with a longer neck will be more likely to survive and reproduce (as it can gather more food from taller trees)
The answer is <span>neurohormones; releasing; inhibiting</span>
