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14 Cards in this Set
- Front
- Back
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Were the hominids preceding modern humans a sort of "halfway" between ape and human? |
no |
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What did we learn from the Piltdown hoax? |
We were expecting to find an "ape-man" and therefore anticipated these qualities that may not really exist |
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What is a tuff? |
A layer of volcanic dust and dirt, measured. One layer = one strata |
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How can you date fossils radiometrically? |
When a fossil is in between two tuffs, you can estimate the fossil's date by the radioactive decay of the tuffs. |
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When did the great apes diverge from gibbon-like species? |
20 MYA |
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How long ago did chimps and humans diverge from a common ancestor? What type of evidence shows this? |
Genetic evidence shows that chimps and humans each diverged from a common ancestor 5-7 MYA |
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What is the Sivapithecus? |
In the same lineage as Orangutans and Gigantopithecus |
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What is the Gigantopithecus? |
Largest primate ever; relative to the orangutans |
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Where was the hominin origin? |
Africa's Rift Valley |
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What are Australopihecine teeth like? |
Large, with thick enamel. Reduced canines. |
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How big are Australopithecine brains? |
ape-sized |
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Are Australopithecine sexually dimorphic? |
highly.
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What was the Australopithecine diet like? |
mostly vegetarian |
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Who discovered the Australopithecines? Where was it found? What was found? |
Raymond Dart. Taung, South Africa. Infant skull. |
