3rd Grade Science Review 1

An external structure is found…

• on the inside of a plant or animal

• on the outside of a plant or animal

• outside in the environment

The part of a flower that produces pollen.

• stigma

• anther

• petal

• filament

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NGSS.MS-LS1-4

Explain one reason why it would benefit some animals to live in groups.

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NGSS.MS-LS2-1

Circle the internal structure.

• paws

• beak

• lungs

• tail

How do the roots of a plant help it survive?

• produce the food

• take in water and nutrients from soil

• collect pollen

• produce seeds

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NGSS.MS-LS1-5

NGSS.MS-LS2-1

Name one adaptation that could help an animal or plant survive in the desert.

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NGSS.MS-LS4-4

An increase in a predator’s population will likely cause a _______ in the prey’s population.

• increase

• decrease

• no change

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NGSS.MS-LS2-4

Which behavioral adaptation helps an animal survive cold winters?

• thick fur

• migrating

• blubber

• long claws

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NGSS.MS-LS4-4

Explain one way that deforestation impacts human resources.

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NGSS.MS-LS2-4

Circle the adaptation that would help an animal hide from its predator

• horn

• claws

• camouflage