Homework 3.3

What is theorized to have caused the extinction of the dinosaurs? SELECT all correct responses!

• An ice age

• Volcano eruptions that caused large-scale climate change

• An asteroid impact

• Plate movement

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS2-4

How did the dust from the asteroid impact impact the dinosaurs?

• It reduced photosynthesis, starving herbivores and carnivores.

• It decreased temperatures, causing an ice age.

• It covered oceans, causing flooding.

• It increased the number of earthquakes and tsunamis.

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS2-4

Mass extinctions have occurred throughout Earth's history.

• True

• False

Tags

NGSS.HS-LS4-5

What can cause a mass extinction?

• Arrival of one new species

• Large-scale environmental change

• A few earthquakes and tsunamis

• A few tornadoes and hurricanes

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-5

CHECK all that apply! At the end of the Permian period, the largest mass extinction was caused by . . .

• Very high temperatures

• Volcanic eruptions

• Formation of Pangaea

• Separation of Pangaea

Humans are playing a role in the ongoing extinctions of today.

• True

• False

Tags

NGSS.HS-LS2-7

NGSS.HS-LS4-5

We can take actions that can help prevent future mass extinctions.

• True

• False

Tags

NGSS.HS-LS2-7

NGSS.HS-LS4-5

Why are impact events - like an asteroid collision - important?

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS3-1