Geologic Time & Fossils (Chapter 21)

This is produced when sediments fill in a cavity made when an object decayed

• mold
• cast
•  index fossil

Tags

NGSS.MS-LS4-1

Fossils of species that existed for short periods and were widespread

• uniformitarianism
• cyanobacteria
• index fossils

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NGSS.MS-LS4-1

 The oldest rocks are on the bottom and the rocks become progressively younger toward the top

• uniformitarianism
• natural selection
• principle of superposition
• index fossils

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NGSS.MS-ESS1-4

What is a large ancient landmass?

• Pangaea
• Cyanobacteria
• Africa
• Jumanji

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NGSS.MS-ESS1-4

What are among the earliest life-forms on Earth?

• cyanobacteria
• mold
• bears
• sponges

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NGSS.MS-LS4-1

What are the remains, imprints, or traces of once-living organisms?

• index fossils
• fossil
• mold
• cast

Tags

NGSS.MS-LS4-1

Humans appeared in the ____ Era.

• Cenozoic
• Paleozoic
• Mesozoic
• Devonian

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which type of scientist studies fossils?

• meteorologist
• chemist
• paleontologist
• fossilologist

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The soft parts of organisms are most likely to become fossils. 

• True
• False

Tags

NGSS.MS-LS4-1

Preserved animal tracks are trace fossils.

• True
• False

Tags

NGSS.MS-LS4-1