Fossil Record and Geological Time Scale Part I

A fossil discovered in Colorado dates from the early Mesozoic era. A year later a similar fossil is found in Wyoming that also dates from the early Mesozoic era. These two organisms most likely lived in

• the same environment at about the same time.

• the same environment at different times.

• different environments at about the same time.

• different environments at different times.

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NGSS.MS-LS4-1

Which fossil is the youngest?

• fossil A

• fossil B

• fossil C

• fossils A and B are the same age

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NGSS.MS-LS4-1

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What is the importance of studying fossils?

• to provide information about how current life forms would exist in previous environmental conditions

• to provide information about how life and environmental conditions may have changed

• to provide information about how previous life forms would exist in current environmental conditions

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NGSS.MS-LS4-1

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This chronological time chart is broken into different time chunks, the largest being the Eon, then Era, Period, and Epoch.

• Timeline

• Calendar

• Geological time scale

• Time chart

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NGSS.MS-ESS1-4

Approximately how old is the Earth?

• 4.6 billion years old

• 4.6 million years old

• 5 billion years old

• 5 million years old

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Preserved remains of plant and animals from the remote past are called _______________.

• Rocks

• Dinosaurs

• Strata

• Fossils

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The end of life for a group of organisms, usually a species, is called a(n) ________________.

• Extinction

• Retirement

• Endangerment

• Catastrophe

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What is the geological time scale ?

• A clock

• A calendar

• Something that divides Earths history into groups

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NGSS.MS-ESS1-4

Which type of fossil preservation is shown above?

• carbon film

• trace fossil

• original remains

• perminerailzed remains

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NGSS.MS-LS4-1

Scientists have found large groups of fossils of marine organisms on mountaintops. What does this tell scientists about the past?

• That these rocks must have been moved there by some one else.

• That these rocks were always above the surface of an ocean

• That these organisms left the ocean and climbed to the top of an inland mountain to die

• That these rocks were once below the surface of an ocean

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS1-4

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