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18 Cards in this Set
- Front
- Back
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Theory proposed by Alfred Wegener |
Continental drift. The continents had been connected but drifted apart. |
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3 observations supporting the continental drift theory. |
1. Plates ocean is split into, proving floor is continuously being recycled 2. Fossils 3. Widening canyons in Iceland |
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Supercontinent that formed one billion years ago |
Rodinea |
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Dramatic increase in number and complexity of life around 500 mya is known as |
The Cambrian explosion |
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When did the greatest mass extinction occur? What was the supercontinent formed around this time? |
250 mya Pangea |
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When did early mammals begin to flourish? |
50 mya |
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When did ancestors of modern humans first appear in Africa? |
2 mya |
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Foramen magnum |
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Mastoid process |
Back (Definition) |
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Supraorbital torus |
Back (Definition) |
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Diastema |
Back (Definition) |
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Supraorbital sulcus |
Back (Definition) |
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Ape skull characteristics (9) |
Back (Definition) |
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Supraorbital sulcus |
Back (Definition) |
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Ape skull characteristics (9) |
Back (Definition) |
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Human skull characteristics (9) |
Back (Definition) |
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Apes vs human teeth. (4) |
Back (Definition) |
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Apes vs human body (4) |
Back (Definition) |
