The Fossil Record Review

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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Which layer formed first?

• Rock Layer W
• Rock Layer X
• Rock Layer Y
• Rock Layer Z

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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

• that this animal is extinct

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NGSS.MS-LS4-1

What is extinction?

• When a species no longer exists
• The quality or state of having many different forms
• The arrangement of things in the order which they occurred
• Layers of rock that are successfully deposited on top of each other and are distinguishable

Tags

NGSS.MS-LS4-1

An area where a particular plant has lived for 50 million years suffers a 100-year-drought. What evidence of the drought might be found in the fossil record?

• Fossils are abundant right up until the present day.

• Fossils of the plant appear in recent rock layers, but not in older ones.

• Fossils of the plant are present in older rock layers, but then disappear from the fossil record.

• It is not possible for the fossil record to show evidence of the drought.

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NGSS.MS-LS4-1

A person that studies the forms of life existing in prehistoric times by investigating the fossils of plants, animals, and other organisms is known as a

• Investigator

• Paleontologist

• Researcher

• Pathologist

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___________ ___________ show evidence of the activity of ancient organisms, such as tracks or nests.

• dead fossils

• Mold fossils

• Cast fossils

• Trace fossils

Fossils are found mostly in which type of rock?

• Sedimentary

• Amber

• Solid

• Pewter

Tags

NGSS.MS-LS4-1

What is a fossil?

• rock was once at the bottom of the sea.

• An impression of an ancient organism.

• the past environment, where animals came from, and what they looked like.

• The imprint or remains of plants and animals that lived long ago.

Tags

NGSS.MS-LS4-1