Fossils Quiz Review

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A continuing series of mutations and variations over and over results in a new species.

The Minerals can fill in the hollows of animal tracks, what type of fossil is this?

A leaf, a feather, bones or even the entire body of an organism can leave a mark on sediment that later hardens to become rock. What type of fossil is this?

Tree sap hardens and becomes a fossil with an insect trapped in it. What type of fossil is this?

Minerals can replace wood or bone, what type of fossil is this?

Which body parts would most often form a fossil?

If rock layers have been undisturbed, which layer is the youngest?

Rapid evolution that occurs when mutations of a few genes result in a species suddenly changing into a new organism?