Earth History 1 lesson 2

In undisturbed rock layers which organism fossil would be found in the deepest layers?

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• T-Rex

• Helicoprion

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NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Oldest creature that would be found deeper in the undisturbed layers of earth...

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• trillobite

• wooly mammoth

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Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Pick the word needed to fill in the blank of the choice below. Question- What does the geological time scale show?

The ________for events in Earth's History. Shows the type of living ________ in a certain time______.

• answer,rocks,zone

• words,insects,

  capsule

• calendar,organism, period

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Tags

NGSS.MS-ESS1-4

What is absolute (true) dating?

• Dating of fossils or rock layers that are labeled with a numerical age.

• Uses the law of superposition and has a estimated age.

• superposition in undisturbed layers giving an estimated age.

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Tags

NGSS.MS-ESS1-4

Fossils are most commonly found in what type of rock?

• igneous

• sedimentary

• metamorphic

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NGSS.MS-ESS2-3

NGSS.MS-LS4-1

What answers below create sedimentary rock layers?

• particle are formed loosely and then rain compacts them

• layers build up slowly and then harden

• particle collect as they are moved to an area by wind or water.

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Tags

NGSS.MS-ESS2-2

What answer briefly describes a fossil forming...

• igneous rock forms a mold and is replaced by sediment ...metamorphic rock replaces body

• animal covered by metamorphic rock, body decays replaced by sediment

• animal covered by sedimentary rock, body decays mold is filled with sediment produces fossils

• all answers are correct

Tags

NGSS.MS-LS4-1

In sedimentary rock, that hasn't been disturbed, explain how age increases...

• in layers that have been disturbed by erosion

• by depth into the surface in layers that haven't been disturbed

• layers that haven't been disturbed the closer to the surface the older the fossil

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Tags

NGSS.MS-ESS1-4

What do these different horse fossils show paleontologist ( scientist that study bones/fossils)?

• how horses have stayed the same over time

• how the horse has changed over time

• horses have changed while staying about the same in a short amount of time

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Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The image shows many layers of rock containing fossils. Some of the oldest layers contain fossils of organisms that appear similar to fish. This would suggest that a long time ago, this area was covered in …

• land

• water

• tar

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Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1