Life Science Review

While walking through a shady forest, Felicity notices a small plant with thick, dark green leaves and purple flowers growing at the base of a tree. She digs it up, takes it home, and plants it in a sunny flower bed. She gives the plant water and fertilizer, but the plant dies within a few weeks. What LIKELY caused the plant to die?

• The plant needed more shade.

• The plant needed warmer temperatures.

• The plant needed more room to grow.

• The plant needed more sunlight.

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NGSS.MS-LS2-1

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During the summer, students visit a local pond. Which of the following animals will the students MOST LIKELY see?

• a deer

• a dolphin

• a coyote

• a frog

Thousands of different plants live in desert ecosystems around the world. Which of the following do ALL desert plants have in common?

• They have prickles or thorns.

• They can survive without water.

• They can live without much rain.

• They are poisonous to desert animals.

Common duckweed is a small plant that grows on the surface of many ponds and lakes. It is free floating and has a single root. Which statement describes the type of ecosystem in which duckweed can most likely be observed?

• A wetland ecosystem with slow-moving water

• A coastal ecosystem with constant rough waves

• A desert ecosystem where rainfall drains away quickly

• An underground river ecosystem where the temperature remains constant

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NGSS.MS-LS2-1

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Rock squirrels are desert animals that live near piles of rocks. They make burrows under the rocks and usually come out only at night. Which of the following is the MOST LIKELY reason rock squirrels come out only at night?

• to stay warm

• to avoid the sun so they can stay cool

• to get water

• to make food

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Which type of habitat is BEST for this animal?

• river

• lake

• ocean

• pond

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NGSS.MS-LS2-1

In a certain ecosystem, wolves eat rabbits, and rabbits eat berries and leaves. During a year with little rain, there were fewer leaves and berries for rabbits to eat. That year the number of wolves in the ecosystem decreased. Which is the BEST explanation for why this happened?

• The wolves ate diseased rabbits.

• There were fewer rabbits for the wolves to eat.

• There was little water for the wolves to drink.

• The wolves ate fewer leaves and berries.

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NGSS.MS-LS2-1

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Which organism in this food chain is the producer?

• seaweed

• clam

• starfish

• seagull

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What will happen if many of the grasshoppers died from pesticides?

• the shrew will eat grass

• the shrew will have less to eat

• the owl will eat grasshoppers

• the owl will have more food to eat

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NGSS.MS-LS2-1

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How does the lizard get its energy in this food chain?

• The lizard eats the maize.

• The locust eats the lizard.

• The lizard eats the snake.

• The lizard eats the locust.

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