Fossil Record

The millions of fossils that scientists have collected are called

• The Geologic Time Scale
• The Origin of Species
• The Fossil Record
• A really neat fossil collection

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Which of the following can be learned by using the fossil record?

• When organisms changed or evolved

• when organisms appeared on Earth

• when organisms became extinct

• All the above

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What are the oldest fossils and why?

• B, C- because they are closest to the top

• A, B- because they are closest to the bottom

• They are all the same age- because they are all found on layer 2

• A, B- because they are found closest to the top

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

• sedimentary rock

• metamorphic rock

• igneous rock

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If scientists found this fossil, what could they infer?

• what fish are like today

• that this fish lacked oxygen

• that water once covered the area where this fossil was found

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By determining the age of fossils, scientists can reconstruct the history of life on Earth

• True
• False

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In layers of sedimentary rock, the _________ layer is usually at the bottom. Each higher layer is _________ than the layers below it.

• oldest, younger
• youngest, older
• youngest, younger
• oldest, older

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A fossil is ____________.

• evidence of past life
• part of the fossil record
• found in sedimentary rock
• all of the above

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A ________ is a scientist who studies the fossil record to learn more about life on Earth.

• seismologist
• paleontologist
• biologist
• botanist

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Which of the following could lead to the gradual extinction of a species? (Choose 2)

• Meteor Strike

• Rising Sea Levels

• Massive Volcanic Eruption

• Glaciation

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