Fossils Answers

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Study the timeline.

Humans have only recently existed on Earth.

Organisms originally lived only on land.

Life on Earth started before water formed on Earth.

Multicellular life evolved before complex single-celled life.

Which correctly lists three materials that preserve soft tissues in fossils?

amber, minerals, and sediment

minerals, permafrost, and amber

permafrost, amber, and tar

sediment, minerals, and tar

Which statement explains something that the fossil record indicates?

Earth is is still a very young planet

Mammals have always existed on Earth.

Mass extinctions have occurred several times on Earth.

The amount of water on Earth has decreased over time.

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