Science Quiz

Which organism in this food chain is needed for all the other organisms to survive?

• Caterpillars

• Plants

• Frogs

• Snakes

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In which environment would a white rabbit be best protected from predators?

• A shady forest

• A snowy field

• A grassy lawn

• A muddy riverbank

If a ship spilled oil in part of the ocean, what would most likely happen to the number of sea birds in the area?

• The number of sea birds in the area would increase.

• The number of sea birds in the area would decrease.

• The number of sea birds in the area would stay the same.

• The sea birds in the area would eat more fish.

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Silkworms lay eggs that develop into moths. This sequence of changes is an example of how living things-

• go through a life cycle.

• form a food web.

• act as a source of food.

• affect other parts of the ecosystem.

Using the food chain above, what might happen to the owl population if the mouse population decreased? Select TWO correct answers.

• The owl population would increase.

• The owl population would decrease.

• There would be no change in the owl population.

• The owl population would eat oak trees for food.

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Which reason best explains why some desert animals have these adaptations?

• To sleep at night

• To stay cool

• To hunt using the sunlight

• To look for food during the day

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The picture above shows a forest environment. The forest environment could best support a population of -

• sea turtles

• polar bear

• squirrels

• desert foxes

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Allison is making a chart about the life cycle of a tomato plant. Drag the stages of the plant's life cycle in the correct order.​

• The seed grows into a sprout

• The flower becomes a fruit

• A seed is planted

• The sprout becomes a mature plant and flower

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How might heavy rainfall for the next two weeks affect the environment?

• A drought will speed up erosion.

• A drought will cause some of the plants to dry.

• Flooding will provide shelter for more animals.

• Flooding will cause some animals to move away.

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This diagram shows that beavers need trees for-

• Air

• Water

• Sunlight

• Shelter

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