Science CBA Review

How can a forest fire have a positive effect on an environment?

• remove trees that birds use to build nests

• burn the organic matter where worms live

• scare away small mammals

• clear dead plants to allow new plants to grow

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• A

• B

• C

• D

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What structure on a rabbit helps it survive in a cold environment?

• Thick fur

• Brown eyes

• Strong claws

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The long, thin needles on a pine tree help it survive its habitat without much sun or rain because this kind of leaf

• does not lose much water

• stays attached to the tree all year

• has a pointed tip

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What is the correct order of a plant life cycle?

• seedling, seed, adult plant, young plant

• seed, seedling, young plant, adult plant

• adult plant, seed, young plant, seedling

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What happens when a froglet changes to an adult frog.

• It grows a tail

• It breathes underwater

• It loses its tail

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What stage in a ladybug's life cycle comes before the pupa stage?

• Adult

• Egg

• Larva

What is true about metamorphosis?

• The adult and the small version look different from each other.

• The adult and the small version are similar in appearance.

• All animals who lay eggs metamorphosize.

Sun --> _______ --> Insects -->Frogs --> Snakes

What is missing from this food chain?

• Cheetah

• Ladybug

• Hawk

• Plants

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What would happen if you removed the small fish from this food chain?

Sun --> Plants --> Small Fish --> Big Fish

• The big fish would decrease in number

• The big fish would increase in number

• The plants would decrease in number

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