The answer is <span>B. immune cells that are destroyed by HIV
CD4+ are immune cells (white blood cells) and are an important part of the immune system. Their name comes from the presence of CD4 glycoprotein on their surface. HIV uses CD4 glycoproteins on the surface of CD4+ cells to entry into the cells. The consequence is a reduced number of those cells. Therefore, CD4+ immune cells are destroyed by HIV.</span>
Biological or "Darwinian" fitness is being able to live long enough to reproduce and keep the population or species alive.
Prokaryotic cells doesn't have a nucleus.
Predator is an animal hunt.The prey is the animal that is being eaten by other animals. if there a lots of predators and few preys.the predators will compete for food
