Answer:
similarities
Explanation:
The concept of reproductive isolation relates more toward genetic similarities to distinguish between species. The barriers prevent closely related species living in the same geographical area from interbreeding. They help to keep each species distinct from the others.
<span>A population's growth is strongly influenced by the proportions of individuals in different age brackets, which in turn is influenced by economic development.</span>
The answer is C, since antibiotics will not effect viruses, only bacterial infections.
