Fossils

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What are fossils?

Back

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

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What is a body fossil?

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

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What is a mold in fossil formation?

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A mold is a hollow impression left in sediment when an organism decays.

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What is a cast in fossil formation?

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A cast is formed when sediment fills a mold and hardens, creating a replica of the original organism.

Front

How can soft fossils be preserved?

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Soft fossils can be preserved in ice, which prevents decay and protects the organism.

Front

What is the significance of fossilized plants found in Antarctica?

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Fossilized plants in Antarctica indicate that the region once had a warmer climate that supported plant growth.

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What is the first step in the fossilization process?

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The first step in fossilization is the death and decomposition of a plant or animal.

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What role does sediment play in fossil formation?

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Sediment covers the remains of organisms, protecting them from decay and allowing for fossilization.

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What are trace fossils?

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Trace fossils are not remains of the organism itself but rather evidence of its activity, such as footprints or burrows.

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What conditions are necessary for fossilization to occur?

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Fossilization typically requires rapid burial, low oxygen levels, and the presence of sediment.