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11 Cards in this Set

  • Front
  • Back

Fossil

The preserved remains or traces of living things

Sedimentary Rock

The type of rock that is made from hardened sediment

Mold

A hollow area in sediment in the shape of an organism or part of an organism

Cast

A solid copy of the shape of an organism

Petrified Fossil

Fossils in which minerals replace all or part of an organism

Carbon Film

An extremely thin coating of carbon on rock

Trace Fossils

These provide evidence of the activities of ancient organisms

Paleontologist

Someone who collects fossils from sedimentary rocks all over the world

Scientific Theory

A well-tested concept that explains a wide range of observations

Evolution

The gradual change in living things over long periods of time

Extinct

A type of organism is ________ if it no longer exists and will never again live on Earth.