Life Science Review

A __________ includes all living and non-living things in an environment.

• population

• ecosystem

• community

A lake is home to many animals. Which of the following animals is best suited for a lake habitat?

• lizzard

• turtle

• dolphin

• rabbit

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What do plants need to survive?

• sunlight, water, air, and nutrients

• sunlight, winter, fall, and nutrients

• swamps, bees, leaves, and nutrients

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An adaptation that helps a cactus live in the desert is its

• wide, flat leaves to catch water

• bright green color

• thin, spiny needles

• tall stems

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If there was an increase in the Owl population, which animal would decrease?

• Grass

• Mouse

• Grasshopper

• Owls

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Anything that helps an animal survive is called an _____________.

• body part

• brain power

• cells

• adaptation

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What do all living things need?

• A place to live.

• Water

• Food

• Air

• All of the above

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What is the first stage in a frog life cycle?

• Eggs

• Tadpole

• Adult frog

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What adaptation helps the cheetah compete with other animals for food?

• climbing ability

• a long life cycle

• fur to maintain body heat

• strong legs for high-speed hunting

Which is a true statement about how living things interact?

• All living things are consumers.

• All living things that are consumers are either herbivores or carnivores.

• Living things depend on one another to get the energy they need to live.

• None of the above.

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