5th Grade Life Science Review 1

Which of these describes how a living organism depends on another living organism to survive?

• Mushrooms growing on the forest floor

• Frogs laying their eggs in a pond

• Dandelion seeds are carried long distances by the wind

• Bees pollinate the flowers on apple trees

A small fish, called a cleaner fish, picks bits of food from a shark’s teeth. What can best be concluded about this behavior?

• It helps the shark blend in with its surroundings

• It removes food from inside the shark’s body

• It helps both the cleaner fish and the shark

• It takes needed nutrition away from the shark

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Many desert lizards spend daylight hours under rocks, as shown below. This behavior is mainly a response to which part of the environment?

• lack of rain

• high temperatures

• blowing sand

• high winds

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• Energy is transferred from white-tail deer to mountain lions to wild hogs.

• Energy is transferred from mountain lions to wild hogs to corn.

• Energy is transferred from grass to white-tail deer to mountain lions.

• Energy is transferred from corn to duck to wild hogs to white tail deer.

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• fish and duck

• cattails and water lily

• heron, raccoon, turtle

• mosquito, snail, frog

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• a producer

• a carnivore

• an herbivore

• an omnivore

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• There will be more aquatic wildlife.

• Populations of fish will decrease.

• The plants won’t have enough water.

• Beavers will have to leave the area.

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What is the basic unit of structure and function of all living things?

• classification

• microorganism

• heredity

• cell

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What is the passing on of traits and physical features from parents to their offspring?

• genes

• chromosomes

• heredity

• DNA

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