Earth's Evolution Over Time

According to most scientists, what is the ultimate cause of most mass extinctions?

• overhunting

• evolution of new species to replace old ones

• major change in environment or climate

• asteroid impact

Tags

NGSS.HS-ESS3-5

NGSS.HS-LS4-5

What were trilobites and during what mass extinction were they wiped off the face of the Earth.

Answer explanation

Tags

NGSS.MS-LS4-1

The process by which all the different kinds of living things have changed over time. 

• Evolution

• Mass extinction

• Geological Timescale

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-3

NGSS.MS-LS4-4

Which Era is the Age of Humans?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic

Which Era ended in a mass extinction because of oxygen?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic

Tags

NGSS.MS-LS4-1

Which Era is known as the Explosion of Life? This is where many life forms evolved.

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic

Tags

NGSS.MS-LS4-1

Which Era is known as the age of reptiles?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic

Which Era has not ended? It is the present day.

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic

Which Era ended because of volcanic activity and an asteroid or meteor hit Earth?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic

Which Era ended because of the supercontinent forming causing dry climate?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic

Tags

NGSS.MS-ESS2-3