Fossils

The preserved remains or evidence of ancient living things...

• clay

• fossils

• igneous rocks

• silt

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How do fossils form?

• An organisms is rapidly buried. The sediments and minerals replace the tissues.

• An organism is buried slowly. Only bones can become fossils

Coal is the carbon left over from plants in between rock layers. Is coal technically a fossil?

• yes

• no

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What can we learn about by looking at fossils? (Choose 2)

• They're really cool.

• They are evidence of ancient environments.

• They can show how sea level rise could happen.

• We can't learn anything by studying fossils.

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Which layer is oldest?

• A
• W
• G
• Z

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In which kind of rock do we usually find a fossil?

• sedimentary  rock
• rock candy
• hard rock

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How old do Paleontologists believe the Earth is?

• 2015 years old
• 3.6 billion years old
• 4.6 billion years old
• 4.6 million years old

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According to the law of superposition, which layer is the youngest?

• A
• B
• C

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Which is an example of a trace fossil?

• animal tracks
• coprolite
• burrows
• all of the answers given here

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What is an example of an index fossil?

• t-rex fossils
• insect in amber
• trilobites or ammonites
• woolly mammoth fossils

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