Extinct Species

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.1.5

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Adelie penguins live in large groups in Antarctica. They lay their eggs in dry, rocky areas. These areas can be flooded when snow melts. According to the text, which of these is the greatest threat to Adelie penguins?

• new predators moving into the area
• competition from other Adelie penguins
• rising temperatures in the penguins' habitat
• people polluting and building in the penguins' habitat

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CCSS.RI.3.2

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Which of the following species is extinct?

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

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

• competition
• reproducing
• habitat loss
• overhunting

What can you conclude from the fact that more than a billion species have gone extinct during Earth's history?

• extinction is a natural part of life on earth

• extinction only happens rarely

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How can the extinction of a plant species have such a drastic effect on a food chain? Choose the best answer.

• Food chains are all composed of several types of plant and several types of animal, so if one plant dies out, the chain breaks down

• Plants are the main source of food for carnivores like bears, so if plants go extinct, bears will starve

• Food chains rely on certain types of plants to function properly, so if a plant dies out, all the other species in the food chain will die out, too

• If the extinct species was the main food source for another animal, that animal will have to find a new way to survive

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What can humans do to make sure that fish species don't go extinct? Choose the best answer.

• Destroy sharks and other ocean predators

• stop the practice of overfishing

• stay away from the oceans all together

• stop eating fish

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CCSS.RI.1.5

CCSS.RI.11-12.5

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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.6.4

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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

CCSS.L.3.6

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.1.5

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