fossil evidence for human evolution Flashcards

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1
Q

what fossils are founder deeper in the ground

A

older fossils

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2
Q

what fossils are more complex

A

newer fossils

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3
Q

what technique is used to estimate when a fossil was formed

A

carbon dating

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4
Q

what are the human fossils in order

A

1) Ardi
2) Lucy
3) Homo Habilis
4) Homo Erectus

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5
Q

how is ardi evidence for natural selection and evolution

A

resembles between an ape and a human shows natural selection and evolution happened gradually

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6
Q

features of ardi

A

long big toes that stick out allowing her to climb trees
very long arms

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7
Q

features of lucy

A

bones structure suggests she could walk upright

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8
Q

features of homo habilis (founded by the leakeys)

A

quite short
long arms
walked upright

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9
Q

features of homo erectus

A

quite tall
strongly built

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10
Q

what else did louis and mary leakey find that supported natural selection

A

fossils that contained remnants of stone tools

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