According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..
Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..
Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..