This picture represents which component of natural selection? question 1 options: sexual reproduction must occur there is survival of the fittest variation in the population exists genetic sameness reduces the chances of natural selection

Many body systems work together for proper functioning of the body and to maintain internal homeostasis. the works to break down food eaten before exercising. the takes in the nutrients obtained from the food. the body sweats as a mechanism to cool off, because the is working to flush out toxins.