Geologic Time Scale and Fossils KC

What are fossils that are abundant, easily recognizable, short lived, and widespread called?

• Preserved fossils

• Index fossils

• Imprints

• Radioactive dating

Which era was the longest, taking up 88% of geologic time?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-ESS1-4

What does absolute age tell us about a rock layer or fossil?

• The 'exact' age of a fossil determined by radiometric dating

• The relative age of a fossil determined by radiometric dating

• Younger rock layers sit on top of older rock layers

• Older rock layers sit on top of younger rock layers

Tags

NGSS.MS-ESS1-4

Dinosaurs, small mammals, and birds are found in this time period

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

The end of life for a group of organisms, usually a species, is called a ___________.

• wipeout

• mass extinction

• meteorite

• dying off

Tags

NGSS.MS-LS4-1

Which type of animal appears earliest in the fossil record?  (OLDEST)

• Reptiles
• Birds
• Dinosaurs
• Fish

Tags

NGSS.MS-LS4-1

How long ago did the Earth form?

• 4,600 years ago

• 460,000 years ago

• 4.6 billion years ago

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

What era did trilobites, fishes, and other marine organisms dominate?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which Era occurred last (most recent)?

• Cenozoic

• Mesozoic

• Paleozoic

According to the fossil record, when did life first appear on Earth?

• 35,000 years ago

• 3.5-3.8 billion years ago

• 350,000 years ago

• 350 years ago

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1