History of Life on Earth

Fossil record can help scientist identify when different species lived and died.

• true

• false

Tags

NGSS.MS-LS4-1

Trace or imprint of a living organism.

• fossil

• rock

• organic

• record

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Determines whether a fossil formed before or after another fossil.

• absolute dating

• relative dating

Estimates the age of fossils in years. Estimations are based on radioactive elements in certain rocks near the fossil.

• absolute dating

• relative dating

Tags

NGSS.MS-ESS1-4

What can you say about fossil A?

• Fossil A is older than fossil B.

• Fossil A is around 160 Ma.

• Fossil A is younger than fossil B.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Ma stands for mega annum. It is used to indicate...

• "miles averaged"

• "million years ago"

• "mutated age"

Occurs when every individual of a species has died.

• erosion

• extinction

• evacuation

• evolution

Tags

NGSS.MS-LS4-1

The standard method used to divide Earth’s long 4.6-billion-year natural history into manageable parts.

• geological time scale

• era

• period

• eons

Tags

NGSS.MS-ESS1-4

Largest divisions of the geological timeline.

• eons

• era

• period

• epochs

Tags

NGSS.MS-ESS1-4

Eons divided into ______. They are characterized by the type of organism that dominated Earth at the time. Each began with a change in the type of organism that was most dominant.

• eras

• periods

• eons

• epochs

Tags

NGSS.MS-ESS1-4