Your Inner Reptile Essay Example | Topics and Well Written Essays - 500 words

Your Inner Reptile - Essay Example This layer has been demonstrated in humans. However, glands on the skin of humans produce a lubricant, making the skin of a human soft to the touch and moisturized.In South Africa, a species named Mammal-like reptiles were discovered fossilized. They were reptiles with mammal-like features. Reptiles have sharp teeth, but these mammal-like animals had started to have differentiation of teeth. Their teeth were designed for better carnivore diet, but the differentiation came with it matching of teeth as strategy, to get a bite, and strengthened them with more teeth roots. Mass extinction eliminated most, but some survived with new better opportunity. During this time, some species were completely wiped off, but the ones that survived had better chances of survival. Among them were the mammal-like reptiles. They had resorted for underground homes to survive the extreme heat. In these surroundings, whiskers may have developed then as sensory organs to lead them in the underground tunnels. Years later, they started using the body hair for another purpose; for warmth. Hair from ancestors after the aftermath of the great extinction then became part of the mammalian body. Lab study of a developing lab tooth shows skin fold and form the tooth. This is not a new phenomenon of skin folding to form some vital connective tissues such as hair and glands. The E.D.A gene controls the formation of these organs from the skin. Abnormality of this gene leads to conditions such as the inability to dissipate internal high temperatures.