Fossils

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What is a fossil?

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A fossil is the preserved remains or traces of a living organism from the past.

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What are the four main types of fossils?

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1. Mold Fossils 2. Cast Fossils 3. True Form Fossils 4. Trace Fossils

Front

What is a mold fossil?

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A mold fossil is the impression of an animal or plant left after it decomposed.

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What is a cast fossil?

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A cast fossil is a fossil that forms when a mold is filled with minerals or sediments.

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What is a true form fossil?

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A true form fossil is the entire preserved organism, such as an insect in amber.

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What is a trace fossil?

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A trace fossil is evidence of an organism's behavior, such as footprints or nests.

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What does extinct mean?

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Extinct means there is no more of a species left.

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Where are fossils most likely found?

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Fossils today are most likely found close to the surface of the earth.

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What is permineralization?

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Permineralization is a process where minerals fill the spaces in organic material, turning it into a fossil.

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What is the difference between a mold and a cast fossil?

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A mold fossil is the impression left by an organism, while a cast fossil is formed when the mold is filled with material.