Major Events in Earth's History

What era did the formation of the earth occur?

• Paleozoic

• Precambrian

• Cenozoic

• Cambrian

Tags

NGSS.MS-ESS1-4

Mammals are a dominant group in which era?

• Cenozoic

• Mesozoic

• Paleozoic

• Cambrianozoic

Tags

NGSS.MS-ESS1-4

Which period are we currently in?

• Quaternary

• Holocene

• Jurassic

• Tertiary

Tags

NGSS.MS-ESS1-4

What was the important adaptation that occured during the Carboniferous period?

• Fish developed skeletons.

• Amphibians developed tales.

• The amniote egg evolved; allowing animals to lay eggs on land.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Choose ALL the reasons scientists think may have caused the first Mass Extinction that happened at the end of the Paleozoic era.

• Multiple volcanoes erupted and the dust/debris from them blocked the sun.

• There was a significant rise in global temperatures.

• The amount of carbon dioxide increased in the oceans.

• A meteor hit earth.

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-2

NGSS.MS-ESS3-5

Choose the reason scientists think may have caused the second Mass Extinction that happened at the end of the Cretaceous period.

• Multiple volcanoes erupted and the dust/debris from them blocked the sun.

• There was a significant rise in global temperatures.

• The amount of carbon dioxide increased in the oceans.

• A large asteroid hit Earth during a time of extreme volcanic activity.

Tags

NGSS.MS-LS4-1

In what time period did Pangaea, the super continent, appear?

• A. Precambrian Time

• B. Paleozoic Era

• C. Mesozoic Era

• D. Cenozoic Era

The geologic time scale

• is a model that shows the history of life on Earth

• shows the age of a fossil in years

• shows trace organisms from the past that are preserved

• shows when rock layers are missing

Tags

NGSS.MS-ESS1-4

What major event marked the end of the Mesozoic Era?

• A) The formation of the supercontinent Pangaea

• B) The first appearance of mammals

• C) The extinction of the dinosaurs

• D) The first appearance of flowering plants

Which of the following events is associated with the Cambrian Explosion?

• A) The first appearance of multicellular life

• B) The rapid diversification of marine life

• C) The extinction of trilobites

• D) The formation of the ozone layer

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2