Life Science Review

The roots of the prickly pear cactus spread out in a wide underground network. How does this type of root system BENEFIT a prickly pear cactus?

• By producing fruit and storing water.

• By capturing sunlight and getting rid of waste materials.

• By absorbing water and supporting the plants in loose, sandy soil.

• By releasing nutrients into the sandy soil and taking in oxygen.

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Which of these facts best describes how cattle egrets depend on other animals to survive?

• They have yellow bills and light orange legs.

• They make nests in trees away from predators.

• They eat ticks off cattle while the cattle graze.

• They are often found in the same fields as cattle.

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Which fact best describes one way this bird changes its environment to meet its needs?

• Builds nests on hillsides covered with dense vegetation

• Usually raises one group of young each year

• Hunts for insects and spiders on plant leaves

• Feeds on sugar water and peanut butter at feeders

In fall and winter many trees lose their leaves in response to cooler temperatures and ---

• decrease in average wind speed

• fewer hours of daylight

• an increase in humidity

• more direct sunlight

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NGSS.MS-LS1-5

How many types of organisms in this food web obtain energy DIRECTLY from producers?

• 2

• 3

• 4

• 5

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What role does the prickly pear cactus play in a desert food web?

• It obtains energy from producers

• It returns nutrients to the soil

• It preys upon other organisms

• It provides energy to consumers

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What stage of the life cycle is this plant in?

• Stem

• Roots

• Seedling

• Adult plant

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• A

• B

• C

• D

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List the four stages of the complete metamorphosis life cycles in the correct order. 

• Egg, Pupa, Larva, Adult

• Egg, Larva, Pupa, Adult

• Adult, Egg, Larva, Pupa

• Adult, Egg, Pupa, Larva

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NGSS.3-LS1-1

the profound change that some animals undergo from hatching or birth to adulthood.

• metamorphosis

• process

• rearrange

• larva