A limb with five digits such as a human hand or foot which are found in many amphibia, reptiles, birds and animals, which can allow us to deduce that all species in these categories derived from one common ancestor.
Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understand how animals adapt to their habitat. For instance, how animals thrive in aquatic habitat and are able to overcome osmosis. It also sheds light on the reasons animals adapt...