Geological Time Scale

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What is a body fossil?

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A body fossil is the preserved remains of the original tissue of an organism, such as bones, teeth, or shells.

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Who is a geologist?

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A geologist is a scientist who studies the Earth’s crust, including its processes and history.

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What does a paleontologist study?

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A paleontologist studies fossil remains to understand primitive life forms, including plants, animals, fungi, and bacteria.

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Which era is known as the first in the geological time scale?

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The Precambrian era is the first era in the geological time scale.

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What is a mold in geology?

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A mold is an impression of an organism in a rock.

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What is the geological time scale?

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

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What are trace fossils?

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

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What is the difference between a cast and a mold?

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A mold is an impression of an organism, while a cast is a replica formed when minerals fill in the mold.

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What is the Cenozoic era known for?

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The Cenozoic era is known for the rise of mammals and birds, and significant changes in climate.

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What significant events occurred during the Mesozoic era?

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The Mesozoic era is known as the age of dinosaurs and includes the development of flowering plants.

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