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HUMAN EVOLUTION. What Is Evolution?. Evolution refers to the process of adaptation and physical changes of living organisms over many generations. . Types of Humans . Australopithecus Homo Habilis Home Erectus Neanderthal Homo Sapiens. Australopithecus.
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What Is Evolution? Evolution refers to the process of adaptation and physical changes of living organisms over many generations.
Types of Humans • Australopithecus • Homo Habilis • Home Erectus • Neanderthal • Homo Sapiens
Australopithecus • Evolved in Africa over three million years ago. • Foot prints were first discovered in Laetoli, Tanzania. These footprints are over three million years old. • May have fed on nuts and seeds. May have eaten lots of fruits as well. • Some fossils bone density suggest that animal protein may have also been a part of their diet. • Had a small brain but did using both legs (bipedal) • Not very adept at stone tools. Discussion Question: What kinds of stone tools do you think Australopithecus used?
Foot prints • Footprints are preserved in volcanic ash. • Most likely made by Australopithecus. • One person may have been walking in the • footsteps of the other. Possibly three people. • Australopithecus walked at a speed of 1 metre • per second. About the same speed of a human. • Located in Southern Africa. Discussion Question: Is this a small group, and is if it is how is that significant?
Homo Habilis • Dates back to 2.3 or 1.4 million • years ago. • May have used fire but did not know how to create it. • Did use sophisticated stone tools. • May not have been a hunter but rather, a scavenger. • Most likely used spears to frighten animals and take prey. • Diverse diets that included animals and plants. • Geographic range eastern africa; possibly farther.
Assignment Yay!!! Create a venn diagram comparing and contrasting Australopithecus and Homo Habilis.