Genetic variation describes the genetic differences among individuals of the same species that are naturally occurring. <span>Each genotype within a population usually has different degrees of fitness to an environment. Mating between same species with favored genes guarantees survival of the population in their chosen environment. As the environment changes, the mating behavior between species may again change resulting to a different gene pool to guarantee survival. </span>
Food is important for life.to be healthy and active we should certainly have enough food.But the food we eat should be safe and rich in all the nutrients our body needs.Also you can build new cells and tissues fro growth.
Bacteria can also cause severe gastrointestinal infections as a consequence of the ingestion of contaminated food. Food-borne bacterial infections can lead to serious consequences for the patient.