Fossils

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What is a trace fossil?

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A trace fossil is a type of fossil that provides evidence of the activity of ancient organisms, such as footprints, burrows, or feces.

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What are fossils?

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Fossils are the preserved remains or traces of living things, which can include bones, shells, and imprints.

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What is a cast fossil?

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A cast fossil is formed when a mold of an organism is filled with minerals or sediment, creating a replica of the original organism.

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What evidence do fossils provide?

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Fossils provide evidence of how life has changed over time, how Earth's surface has changed, and clues about past environments.

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Can organisms be preserved in ways other than fossilization?

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Yes, organisms can also be preserved by becoming trapped in tar, amber, or by freezing.

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What is a mold fossil?

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A mold fossil is created when an organism leaves an impression in sediment, which hardens into rock.

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What is a carbon film?

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A carbon film is a type of fossil that forms when an organism's remains are compressed, leaving a thin layer of carbon on the rock.

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What do fossils tell us about Earth's history?

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Fossils help us understand the history of life on Earth, including the evolution of species and changes in environments.

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What is the significance of trace fossils?

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Trace fossils are significant because they provide insights into the behavior and movement of ancient organisms.

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How do fossils form?

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Fossils typically form through processes like sedimentation, where organisms are buried by sediment and undergo mineralization.