Mass Extinction

When a plant or animal becomes extinct, it is gone _______.

• forever

• until next week

• for 5 years

• to sleep

Tags

NGSS.MS-LS4-1

A ______________ species is on its way to becoming endangered or extinct.

• threatened

• cuddly

• sleeping

• fossil

Tags

NGSS.MS-LS2-5

Humans are causing extiction in which ways?

• By over hunting animals for food or products.

• By destroying the natural habitat of species.

• By polluting the environments of the world.

• All of the above.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which is LEAST LIKELY to push a species toward extinction?

• a.   Cutting down entire forest 

• b.  Putting animals in a zoo 

•  c.   Polluting mountain streams 

• d.   Introducing new species to an ecosystem with no known natural predator    

Tags

NGSS.MS-LS2-5

Which of the following species is extinct?

• woolly mammoth

• giant panda

• bald eagle

• green sea turtle

Tags

NGSS.MS-LS4-1

Evidence of an animal or plant that lived a long time ago on Earth is called a ________.

• fossil

• tiger

• extinct

• endangered

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What would most likely happen if a bird species had fewer and fewer offspring each year?

• The species would move to another ecosystem.

• There would be too many birds.

• The species would become endangered.

• Predators of the species would increase in number.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is a mass extinction event?

• A period when a large number of species become extinct in a relatively short time.

• A period when new species evolve rapidly.

• A period when no species become extinct.

• A period when only plant species become extinct.

Tags

NGSS.HS-LS4-5

Which of the following is believed to have caused the mass extinction at the end of the Cretaceous period?

• Volcanic eruptions

• Asteroid impact

• Ice age

• Human activity

Tags

NGSS.MS-LS4-1

How many mass extinction events are generally recognized by scientists?

• Three

• Five

• Seven

• Ten

Tags

NGSS.MS-LS4-1