Science Practice 3

How does a cactus survive in the desert?

• The plant needs only the sun to survive.

• The plant absorbs water whenever it rains.

• The plant has long roots to survive.

• The plant gets plenty of water in the desert.

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Which answer gives the definition of gravity?

• a force that floats in the area.

• a force that never stops.

• a force that pulls all objects toward the Earth.

• None of these.

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Most desert animals get their water from what?

• HEB

• plants and animals they eat.

• ponds and strawberries

• ocean and grasslands

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Why are animals from the desert ecosystem so small?

• to grow more hair

• because they have big stomachs

• The limited amount of food and water.

• The unlimited amount of food and water.

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Which two organisms receive energy from other animals?

• grass and frogs

• birds and grasshoppers

• sunflowers and sun

• wolf and grass

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What helps this tortoise eat this cactus with spines?

• smooth and sensitive skin

• small mouth

• tough and thick lips

• big teeth

What are the first four planets from the sun?

• Neptune, Saturn, Sun, Earth

• Pluto, Jupiter, Venus and Mars

• Mercury, Venus, Earth and Mars

• Mercury, Venus, Earth and Saturn

What does the word perish mean?

• to live

• to die

• to be happy

• to eat

How is a ladybug life cycle similar to a frog life cycle?

• egg

• larva

• pupa

• froglet

What would happen if more wolves are added to the forest ecosystem?

• the rabbit population would go down

• the rabbit population would go up

• the plant population would go down

• the butterflies would go down

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