Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..
Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..
Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
