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Definition
| Scientists who study fossils |
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Definition
| Evidence of history of life and how organisms change over time. |
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Definition
| Estamated fossil age by comparing them to index fossils. |
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Definition
| Distinct fossils used to compare relative ages. |
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Definition
| Calculates actual age using half-life. |
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Definition
| Time it takes for 1/2 radioactive matter to decompose. |
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Definition
Divisions of evoloution time
B. Earths Early History
1. Early atomosphere was toxic
A. Miller and Urey exp suggested how org. mol. formed
2. Life began in two steps
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Term
| 1st Protenoid Microspheres |
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Definition
| Tiny organism bubbles resemble cells. |
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Term
| 2nd Proteinoid Microspheres |
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Definition
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Term
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Definition
| Euk. Cells formed from colonial prok. |
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