General Science Module 7 Fossil Record
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Created by:
loverofmurray on October 27, 2010
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4 terms
Terms | Definitions |
|---|---|
 Fossil Record #1 | Fossils are usually found in sedimentary rock. Since sedimentary rock is laid down by water, it follows that most fossils were laid down by water |
| Fossil Record #2 | The vast majority of the fossil record is made up of hard-shelled creatures like clams. Most of the remaining fossils are of either water-dwelling creatures or insects. Only a tiny, tiny fraction of the fossils we find are of plants, reptiles, birds, and mammals. |
| Fossil Record #3 | Many of the fossils we find are of organisms that are still alive today. Many of the fossils we find are of organisms that are now extinct. |
| Fossil Record #4 | The fossils found in one layer of stratified rock can be considerable different from the fossils found in another later of stratified rock. |
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