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What is a fossil?

Back

A fossil is the preserved remains or traces of ancient organisms, often found in sedimentary rock.

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NGSS.MS-LS4-1

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What is the geologic time scale?

Back

The geologic time scale is a system used by geologists and paleontologists to describe the timing and relationships of events in Earth's history.

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NGSS.MS-ESS1-4

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What does the term 'sedimentary rock' mean?

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Sedimentary rock is a type of rock formed by the accumulation and compaction of mineral and organic particles.

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NGSS.MS-ESS2-3

Front

What is the significance of the Mesozoic Era?

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The Mesozoic Era is known as the age of dinosaurs and is significant for the evolution of reptiles and the breakup of Pangea.

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NGSS.MS-ESS2-3

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Front

What are trace fossils?

Back

Trace fossils are geological records of biological activity, such as footprints, burrows, or feces, rather than the remains of the organism itself.

Front

What is the difference between relative dating and absolute dating?

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Relative dating determines the age of a fossil based on its position in rock layers, while absolute dating provides a specific age using methods like radiometric dating.

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What is Pangea?

Back

Pangea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras, where all the continents were joined together.

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Front

What conditions are necessary for fossilization?

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Fossilization typically requires rapid burial, low oxygen levels, and the presence of hard parts like bones or shells.

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What is an index fossil?

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An index fossil is a fossil that is used to define and identify a particular time period in the geologic time scale.

Tags

NGSS.MS-ESS1-4

Front

What does 'buried quickly with sediment' mean in fossilization?

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It refers to the process where an organism is rapidly covered by sediment, protecting it from decay and increasing the chances of fossilization.

Tags

NGSS.MS-LS4-1