EXTINCTION :(

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 due to extreme natural events

• asteroid impact

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NGSS.HS-LS4-5

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

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NGSS.HS-LS4-5

Which of the following is NOT a reason a species may become extinct?

• competition
• reproducing
• habitat loss
• overhunting

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NGSS.HS-LS4-5

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

• forever

• until next week

• for 5 years

• to sleep

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NGSS.HS-LS4-5

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

• fossil

• tiger

• extinct

• endangered

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NGSS.MS-LS4-1

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Suppose a pond dries up. What will most likely happen to the fish that live there?

• They will learn to live on land.

• They will move to another pond.

• They will learn to breathe air.

• They will not survive.

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NGSS.HS-LS2-6

NGSS.HS-LS4-5

True or False? Many scientists think that an asteroid caused the dinosaurs to go extinct.

• True

• False

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NGSS.HS-ESS2-2

NGSS.HS-ESS2-7

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 

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NGSS.HS-LS4-2

NGSS.HS-LS4-5

 Which is LEAST LIKELY to push a species toward extinction?  
         

• Cutting down an entire forest 

• Putting animals in a zoo 

• Polluting mountain streams 

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

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NGSS.HS-LS2-7

NGSS.HS-LS4-5

What word do we use to describe a species which has no members still living?

• endangered
• extinct

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NGSS.HS-LS4-2

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