Extinction

According to most scientists, what is the biggest cause of most mass extinctions?

• overhunting

• evolution of new species to replace old ones

• major change in environment/habitat

• 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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CCSS.RI.11-12.5

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CCSS.RI.9-10.5

Species that are in danger of becoming extinct are called __________.

• endangered

• not lucky

• extinct

• in a jam

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CCSS.RI.11-12.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RL.11-12.4

CCSS.RL.9-10.4

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

• forever

• until next week

• for 5 years

• to sleep

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CCSS.L.1.6

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CCSS.L.K.5A

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.

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CCSS.RI.11-12.5

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 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    

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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.

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NGSS.MS-LS2-4

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

• true

• false

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NGSS.HS-LS4-5

Which of the following species is extinct?

• woolly mammoth
• giant panda
• bald eagle
• green sea turtle

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NGSS.MS-LS4-1

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

• competition
• reproducing
• habitat loss
• overhunting

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NGSS.MS-LS2-1

NGSS.MS-LS2-4