NGSS.MS-LS4-1

What type of fossil is this?

• Mold
• Cast
• Preserved remains
• Trace fossil

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NGSS.MS-LS4-1

This rock was formed by lots of fossils that settled on top of each other over time. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

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NGSS.MS-LS4-1

Theory or Law???  Explanation of how the dinosaurs disappeared.

• Law
• Theory

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NGSS.MS-LS4-1

Why is it important to study fossils?

•  Fossils are evidence of organisms that lived long ago.
• Fossils are fortune tellers.
• Fossils are fun to study.
• Fossils are found everywhere in the world.

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NGSS.MS-LS4-1

Remains, imprints or traces of once-living organisms

• water
• superposition
• fossils 

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The end of an era, and the end of life for groups of organisms, is called?

• Death

• Mass extinction

• Transition

• Turning point

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When every organism of a given species has died

• Natural Selection
• Homeostasis
• Extinction
• Selective Breeding

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Fossils such as __________ provide evidence of past life and environmental conditions

• rocks and sand

• footprints and shells

• rare minerals

• . hieroglyphics

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What do scientists think may have caused dinosaurs to become extinct?

• competition between animals

• climate change due to the asteroid hitting earth

• disappearance of prey

• competition from mammals

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NGSS.MS-LS4-1

Which two events could lead to mass extinction?

• An ice age

• Hurricane

• Massive volcanic eruption

• Tsunami

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