Test: Fossils & Geological Time Scale

Front

Water seeps in a mold leaving behind a solid shape of the organism

Back

Cast

Front

Hollow area in the sediment in the shape of an organism

Back

Mold

Front

No longer exist

Back

Extinct

Front

Scientist that collect and study fossils

Back

Paleontologist

Front

Fossils where minerals replace all or part of the organism

Back

Petrified Fossil

Front

Form when living things die and are buried in sediment

Back

Fossils

Front

Shows evidence of the organisms activities, footprints, trails, burrows

Back

Trace Fossil

Front

Thin coating of carbon found on a fossil

Back

carbon film

Front

Gradual change of living organisms over a long period of time

Back

Evolution

Front

Gradual change of living organisms over a long period of time

Back

Evolution