Mass Extinction and Geologic Time Review

What percentage of organisms went extinct during the ordovician-Silurian extinction

• 50

• 65

• 86

• 95

Tags

NGSS.MS-LS4-1

Which extinction is known as the great dying?

• Ordovician

• Late Devonian

• Permian-Trassic

Tags

NGSS.MS-LS4-1

What is a mass extinction?

• When all the species in a particular area on earth suddenly go extinct

• When multiple species from all over the earth suddenly go extinct 

• When one species goes extinct due to habitat changes

• When all life on earth is wiped out 

Tags

NGSS.MS-LS4-1

Which extinction is considered the largest mass extinction in Earth's history? Basically 96% of all species on Earth disappeared.

• Ordovician Extinction

• Devonian Extinction

• Permian Extinction

• Triassic Extinction

• Cretaceous Extinction

Tags

NGSS.MS-LS4-1

Periods during Earth's history when huge numbers of species suddenly disappeared are called...

• Variations

• Mass extinctions

• Period conclusions

• Isolations

Tags

NGSS.MS-LS4-1

The Permian mass extinction occurred about 248 million years ago. It was the greatest mass extinction ever recorded in

Earth's history. About ninety-five percent of all marine species became extinct as a result of the Permian extinction.

Although scientific theories vary, it is believed that _____________________ caused the Permian mass extinction.

• global warming

• an asteroid hitting Earth

• he introduction of dinosaurs

• the start of glaciation and climatic changes

Tags

NGSS.MS-LS4-1

Which could result in a mass extinction?

• heavy thunderstorms

• no rain for long periods of time

• alternating dry and wet seasons

• rainy seasons followed by short periods of dry weather

Tags

NGSS.MS-LS2-4

The Permian-Triassic extinction was caused by. . .

• Volcanic Eruption

• Meteorite hit

• Lang mass breaking up

Tags

NGSS.MS-LS4-1

Cretaceous–Paleogene extinction paved the way for small mammals because. . .

• fish went extinct

• dinosaurs went extinct

• birds went extinct

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The triassic-jurassic extinction set the stage for. . .

• humans to rule

• fish to rule

• dinosaurs to rule the next time period

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2