Geologic Time and Fossils

Preserved remains or traces of living things

• cyanobacteria

• fossils

• blue-green algae

• rocks

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

scientist who studies, collects, and classifies fossils

• geologist

• fossilologist

• dermatologist

• Paleontologist

Tags

NGSS.MS-LS4-1

Hollow area in the sediment which shows the shape of an organism or a part of an organism

• mold

• Cast

• Trace Fossil

• Carbon Film

Solid copy of the shape of an organism

• Mold

• Cast

• Petrified Fossil

• Carbon Film

Fossil in which minerals replace all or part of an organism

• Mold

• Cast

• Petrified

• Trace

Extremely thin coating on rock

• Cast

• Mold

• Carbon Film

• Trace Fossil

Provide evidence of the activities of ancient organisms

• Mold

• Cast

• Trace Fossil

• Petrified Fossil

Tags

NGSS.MS-LS4-1

A fossil record does not show

• history of life on Earth

• Earth's past climate

• groups of organisms changing

• Soft bodied animals that quickly decayed

Tags

NGSS.MS-LS4-1

The fossil record shows evidence to support the theory of evolution

• True

• False

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Age of rock compared with ages of other rocks

• relative age

• absolute age

• radioactive dating

• Law of superposition

Tags

NGSS.MS-ESS1-4