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The Paranthropus Genus
● Sagittal Crest for attaching jaw muscle ● Large molar teeth for grinding up stems and roots
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Other mammals have sagittal crests
to increase bite strength
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Paranthropus Aethiopicus
● 2.5 million years ago ● Brain size 410 cc
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Paranthropus Aethiopicus
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Paranthropus Boisei ● 1.2 million years ago ● Brain size 550 cc
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Paranthropus Boisei
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Paranthropus Robustus
● 1.5 million years ago ● Brain size 530 cc
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Paranthropus Boisei teeth and modern Homo Sapien teeth
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2 million years ago:
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Homo Habilis “Handy Man”
● 2 million years ago ● Brain size 600 cc ● Larger brain than other hominids at the time ● First tool maker ● Human-like hands, pelvis, and teeth
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Homo Habilis
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Homo Habilis' tools
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Australopithecus Sediba
● 2 million years ago ● Brain size 420 cc
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Sediba hand comparison
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Australopithecus Sediba pelvis
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Sediba compared to Lucy
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