Mid-Term on Human Evolution Essay - 530 Words

2) The concept of descent with modification, or evolution, has a great deal of evidence in its support. Indicate the major types of evidence. Some of the major types of evidence that supports evolution are from the similarities that organisms living on distant locations have to one another. Charles Darwin logic when he summarized his findings of five year collecting evidence around the world while he was on the HMS Beagle. Darwin noticed the similarities between animals and plants on the same continent though they were diverse. On a molecular level protein structures and gene sequences is used to determine the evolutionary relationship with the random mutations in our genes. Our genes contain instruction to create protein which†¦show more content†¦An Australopithecus africanus had human-like and ape-like features. Its cranium housed a large brain with small teethe but its body resembled an ape. It had long arms and a strong sloping face that juts out from underneath the braincase with a pronounced jaw. The way the pelvis, femur and foot bones was structured that it walked bipedally. Its shoulder and hand bone shows that they also was adapting to climbing. Paranthropus were bipedal hominids that researchers speculate to have descended from the gracile australopithecine hominids around 2.7 million years ago. They were located in South Africa. Paranthropus boisei had a specialized skull that had adaptation from heavy chewing. From the top and side of its braincase to the lower jaw of its chewing mules was anchored by a strong sagittal crest that was located on the midline of the top of the skull. The Paranthropus boisei had a very wide and dish-shaped face that it created a large opening to have big jaw muscles to support their cheek teeth that are four time bigger than one of a human. 5) Explain why variation in skin color is of no use in defining human races. Variation in skin color does not define human races because with evolution the human species adapt to where ever they are stationary, Therefor farther away from the origin of that culture is from my not have the same level of ultraviolent radiation. People that was located near the equator was exposed strong sun raysShow MoreRelatedVestigial Organs: Common Descent by Charles Darwing950 Words   |  4 Pages â€Å"Vestigial Organ† is a term used to describe organs or functions that due to the course of evolution no longer have a use. The idea of useless organs had been around long before Charles Darwin, but his idea for why they were there was the one that stuck. In his book â€Å"The Descent of Man† Darwin named a few organs that were considered absolutely useless or had very little service such as wisdom teeth, the appendix, the spleen, and the hind leg bones in whales. 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