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Fossils
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Which era did dinosaurs live in?
Mesozoic Era
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Is this a mold fossil or a cast fossil?
cast fossil
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Which layer of rock are the oldest fossils found?
the lowest/bottom layer
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Which era did animals start to look like primitive dinosaurs (and begin eating each other)?
Paleozoic Era
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Which era did wooly mammoths and saber-tooth tigers live in?
Cenozoic Era
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What kind of fossil is this?
whole body fossil (fossil in amber)
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Which era did were organism simple and could not see?
Precambrian Era
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Is this a mold fossil or a cast fossil?
mold fossil
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What are body fossils?
The remains of an animal or plant such as bones, shells, or leaves.
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What kind of fossil is this?
trace fossil
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What are layers of rock called?
strata
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Which layer of rock are the youngest fossils found?
the highest/top layer
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