Module 2 End of Module

A sample food chain is shown below. grass → insect → lizard → hawk The energy moves through the food chain directly from the

• grass to the lizard.

• insect to the hawk.

• lizard to the hawk.

• hawk to the grass.

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A food web is shown. What would most likely happen if there were fewer toads?

• There would be fewer grasshoppers and cranes but more caterpillars.

• There would be more grasshoppers and caterpillars but fewer cranes.

• There would be more grass but fewer grasshoppers and caterpillars.

• There would be less grass but more cranes and grasshoppers.

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A food web is shown. What is the source of energy for the cricket?

• the Sun

• the frog

• the shrew

• the cattail

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The ultimate source of all energy in a food web is

• energy from animals that are consumed

• energy created by plants

• energy released from the sun

• energy made by decomposers

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Study the food web and answer the question. The owls in this food web would be most affected by a decrease in

• finches

• acorns

• berries

• voles

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What is one way plants and animals are different?

• Plants do not need minerals, and animals do.

• Plants produce their own food, and animals do not.

• Plants do not produce oxygen, and animals do.

• Plants need sunlight, and animals do not.

What is an ecosystem?

• A group of animals that are the same species.
• Soil, water, air and sunlight
• All the living and non living things that interact in an area.
• North America

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Which is a non-living part of an ecosystem?

• Sunlight
• Air
• Water
• All of these

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A species that is in danger of becoming extinct.

• Threatened species
• out of luck
• do do birds
• endangered species

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Decomposers get their food by __________.

• making it themselves
• eating live organisms
• using dead organisms
• eating themselves

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