Evolution
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5 terms
Terms | Definitions |
|---|---|
 what are fossils? | traces of long dead organisms found in layers of sedimentary rocks |
| how was the microscope important in determining the true nature of fossils? | Hooke used a microscope to inspect petrified wood. he could then see that the lines were too fine to be formed naturaly |
| how does biogeography contribute to an understanding of evolution? | a comparison of recently formed fossil types and with types of living organisms in the same geographical area shows that new organisms arise in areas where similar forms already lived. |
| Explain the evidence that indicates there has been a succession of forms? | mass extinction is an indication there has been a succession of forms |
| *what uncertainties would be involved in estimating a fossil's absolute age from the amount of sediment deposited above the fossil? | because layers can be very thin to thick the amount of earth above a fossil is an unclear estimate. |
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