What is a fossil?

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What is a fossil?

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A fossil is the remains or traces of a once-living organism that has been preserved in rock.

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What are body fossils?

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Body fossils are the actual remains of an organism, such as bones, teeth, and claws.

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What are mold fossils?

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Mold fossils are impressions left in rock by an organism, showing its shape.

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What are cast fossils?

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Cast fossils are formed when a mold fossil is filled with minerals, creating a replica of the organism.

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What are trace fossils?

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Trace fossils are evidence of an organism's activity, like footprints or burrows.

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In which type of rock can fossils be found?

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Fossils are typically found in sedimentary rock.

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True or False: All once-living organisms left behind fossils.

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False. Not all organisms leave fossils.

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Why do bones and teeth remain as part of some fossils?

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Bones and teeth are hard, which helps them to be preserved as fossils.

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What is an example of a body fossil?

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An example of a body fossil is a dinosaur bone.

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What is an example of a mold fossil?

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An example of a mold fossil is a leaf imprint in rock.