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rebecca's ch8
study guide
| Question | Answer |
|---|---|
| the remains or traces of past life found in sedimenty rock | fossil |
| the hoolow space that is left behind after an org. dissolves | mold |
| a type of fossil formed when minerals fill the space left after org. dissolves | cast |
| a fossil that helps scientist find the ago of a rock layer that may be out of order | index fossil |
| fossil are found in --------- rock | sedimanty |
| footpairt in mad | trace fossil |
| oldest layer | bottem |
| lived in many place at one time | index fossil |
| whole animals | trapping in amber |
| longest contaed | panga |
| the stidy of fossils | palenonty |
| no change millon year living things | true |
| part of shark into fossil | teeth |
| elephants and mammoths in common | an ancester no tusk |
| fish found in dasert | water their |