Exploring Earth's History Through Fossils

What is a fossil?

• A type of rock

• Remains or traces of ancient life

• A type of mineral

• A type of soil

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NGSS.MS-LS4-1

Which of the following is a process by which fossils are formed?

• Erosion

• Sedimentation

• Evaporation

• Condensation

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Identify the type of fossil that is formed when minerals replace all or part of an organism.

• Mold fossil

• Cast fossil

• Petrified fossil

• Trace fossil

What is the main purpose of the geological time scale?

• To measure the age of rocks

• To organize Earth's history into manageable parts

• To predict future geological events

• To classify different types of fossils

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NGSS.MS-ESS1-4

Which era is known as the "Age of Reptiles"?

• Paleozoic

• Mesozoic

• Cenozoic

• Precambrian

Explain how plate tectonics can lead to the formation of mountains.

• By the erosion of rocks

• By the collision and convergence of tectonic plates

• By the deposition of sediments

• By the melting of glaciers

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NGSS.HS-ESS2-1

Describe the process of how a mold fossil is formed.

• An organism is buried, and minerals replace its body

• An organism leaves an imprint in the sediment that hardens

• An organism is trapped in amber

• An organism is frozen in ice

How do mass extinction events affect the evolution of life forms?

• They slow down the process of evolution

• They create opportunities for new species to evolve

• They have no impact on evolution

• They only affect plant life

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NGSS.MS-LS2-4

NGSS.MS-LS4-1

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Compare and contrast mold fossils and cast fossils.

• Mold fossils are 3D, while cast fossils are 2D

• Mold fossils are imprints, while cast fossils are filled molds

• Mold fossils are formed in ice, while cast fossils are formed in rock

• Mold fossils are made of minerals, while cast fossils are made of organic material

Analyze the impact of the Cretaceous-Paleogene extinction event on Earth's biodiversity.

• It led to the dominance of dinosaurs

• It caused the extinction of many marine species

• It allowed mammals to become the dominant land animals

• It had no significant impact on biodiversity

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NGSS.MS-LS4-1