5.2 Review - Coevolution & Mass Extinctions

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.HS-LS4-5

NGSS.HS-LS4-2

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.HS-LS4-5

NGSS.HS-LS4-2

There have been _____ mass extinction events in Earth's history.

• 3
• 4
• 5
• 2

Tags

NGSS.HS-LS4-5

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-LS4-5

True or False: Human beings are wiping out species much faster than nature creates them, causing what scientists call a "6th extinction"

• true

• false

Tags

NGSS.HS-LS4-5

There have been 5 mass extinctions in Earth's history. Which of the following answer choices was a cause of these extinctions? You may select more than one answer. Check all that apply.

• increased carbon dioxide (CO2) levels in the atmosphere

• an asteroid impact

• widespread volcanic activity

• All of them

Tags

NGSS.HS-ESS2-6

What classifies a mass extinction?

• Only 5% of species go extinct.

• Massive flooding due to hurricanes.

• Happens in a relatively short period of time and is global

• There have never been any mass extinctions on Earth.

Tags

NGSS.HS-LS4-5

Which of the following is NOT an accepted criterion for a mass extinction event?

• The event must have occurred in a relatively short time frame.

• The extinction involves multiple lifeforms and is widespread.

• A significant part of life on Earth became extinct.

• The cause of the mass extinction must be obvious.

Tags

NGSS.HS-LS4-5

Cyanobacteria photosynthesize and created waste gases which led to what???

• The great nitration event

• The great oxygenation event

• The great carbon dioxide event

• The great ozonification bifurcation event

What is the main evidence for the great oxygenation event?

• Fossils known as BIF's

• Formations of rock known as the Banded Iron Formations

• BUF's

• Formations of rock known as the Banded Iridium Formations.

Tags

NGSS.HS-ESS2-7