fossils

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What are fossils?

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Fossils are the preserved remains or traces of ancient organisms, often found in sedimentary rock.

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How do fossils form?

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Fossils form when organisms are buried by sediment, which hardens over time, preserving their shape.

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What can fossils tell us about the past?

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Fossils provide information about what life was like on Earth, including the types of organisms that existed and the environments they lived in.

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What is a trace fossil?

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A trace fossil is a type of fossil that shows evidence of the activities of ancient organisms, such as footprints or burrows.

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Where are the oldest fossils usually found?

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The oldest fossils are typically found in the bottom layer of sedimentary rock.

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What type of environment did the megalodon live in?

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The megalodon lived in ocean environments.

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What can scientists learn from fossilized plants?

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Scientists can learn about the environments that existed long ago by studying fossilized plants.

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What is a mold fossil?

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A mold fossil is a cavity in rock that has the shape of an organism, formed when the organism decays after being buried.

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What is a cast fossil?

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A cast fossil is created when a mold is filled with minerals or sediment, forming a replica of the original organism.

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What is the significance of sedimentary rock in fossil formation?

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Sedimentary rock is important for fossil formation because it forms in layers, allowing for the preservation of organisms over time.