Mass Extinction Events

Which of the following is the BEST reason for why a species would become extinct?

• environmental changes

• biodiversity

• migration

• evolution (The ability to change a species over time)

Tags

NGSS.MS-LS4-1

Mass Extinction is best defined as....

• Complete loss or death of a species

• an abnormally large amount of species die out simultaneously or within a short period of time

• Change in global or regional climate patterns

• Change in climate during which glaciers covered much of the Earth

Tags

NGSS.MS-LS4-1

Mass extinctions are theorized to have occurred due to asteroid impacts, volcanism, and climate change.

• True

• False

Tags

NGSS.MS-ESS3-2

NGSS.MS-LS4-1

What most likely caused the death of the dinosaurs?

• An ice age

• Volcanism

• Humans

• Asteroid Impact

Tags

NGSS.MS-LS4-1

Identify which cause HAS NOT lead to a mass extinction globally.

• Climate change

• Hunting/Poaching

• Global volcanic activity

• Asteroid collision

Tags

NGSS.HS-LS4-5

How many mass extinctions have occurred on Earth?

• 3

• 4

• 5

• 6

Tags

NGSS.MS-LS4-1

When scientists discuss the Sixth Extinction, they are referring to which pattern in the rate of extinction?

• an increased rate caused by human activity

• an increased rate caused by volcanic activity

• a fluctuating rate caused by human activity

• a fluctuating rate caused by volcanic activity

Tags

NGSS.MS-ESS3-4

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.MS-ESS3-4

NGSS.MS-LS2-5

Which of these describes a species that has become extinct?

• fewer members of the species are dying than being born

• more members of the species are dying than being born

• very few members of a species are alive

• all members of a species have died

Tags

NGSS.MS-LS4-1

Why do scientists think that NOT ALL dinosaurs died in the Cretaceous extinction?

• They have photographic evidence

• Because birds are still living today

• A zoo in California has a living dinosaur

• Birds are descendants of dinosaurs

• Only non-birds went extinct.

Tags

NGSS.MS-LS4-2