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Fossils
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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 youngest fossils found?
the highest/top layer
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Which era did dinosaurs live in?
Mesozoic Era
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How does cast fossils form?
when minerals and sediments enter in the mold and harder over many years.
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What is a fossil record?
a record of number fossils found
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Which layer of rock are the oldest fossils found?
the lowest/bottom layer
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What "evidence" means?
an information that something is true
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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?
whole body fossil (fossil in amber)
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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 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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Cenozoic Era is known as the Age of ________
Mammals
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Give 2 examples of trace fossils
burrows, eggs, footprints, borings, feces (poop)
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A fish fossil was found in a rocky and dry place. What can you infer about it?
The area was once covered with water.
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Which era did wooly mammoths and saber-tooth tigers live in?
Cenozoic Era
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