5.9D- Fossils

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What are fossils?

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

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What type of rock are most fossils found in?

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Most fossils are found in sedimentary rock.

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What does the presence of water plants and shells in a rock indicate?

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It indicates that the rock was once at the bottom of the sea.

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Which layer of sedimentary rock is the oldest?

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The oldest layer of sedimentary rock is the bottom layer.

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Which layer of sedimentary rock is the youngest?

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The youngest layer of sedimentary rock is the top layer.

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What type of environment is indicated by the imprint of a fern leaf?

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The imprint of a fern leaf indicates a forest environment.

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What is sedimentary rock?

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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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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 is the significance of fossils in understanding Earth's history?

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Fossils provide evidence of past life and help scientists understand the evolution of species and changes in environments.

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What is an example of a fossil?

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An example of a fossil is a dinosaur bone or a leaf imprint.