Food Chains and Food Webs 9/12

What is a food chain?

• A model that explains how energy and matter pass from one living thing to another

• A list of animals in a forest

• A chart showing the weather

• A map of a city

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Which organism in the food chain shown is the producer?

• Clover

• Snail

• Frog

• Coyote

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What do the arrows in a food chain represent?

• The direction energy and matter move

• The color of the animals

• The size of the animals

• The speed of the animals

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Which of the following is NOT a consumer in the food chain shown?

• Clover

• Snail

• Frog

• Coyote

If a coyote eats a frog, and the frog eats a snail, what does the snail eat in this food chain?

• Clover

• Frog

• Coyote

• Sunlight

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According to the food web diagram, which organism gets its energy directly from the sun?

• Wildflower

• Cricket

• Robin

• Mouse

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If a disease caused the robin to die out, what would most likely happen to the number of wildflowers?

• They would increase.

• They would decrease.

• They would stay the same.

• They would turn into crickets.

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Why might hawks decrease in number if robins disappeared from the food web?

• Hawks would have less food to eat.

• Hawks would become wildflowers.

• Hawks would get more sunlight.

• Hawks would eat more crickets.

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How are people connected to food webs?

• By eating plants or animals, people are part of food chains and food webs.

• By only watching animals, people are part of food webs.

• By planting trees, people are not connected to food webs.

• By living in cities, people are not connected to food webs.

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If a change in the ecosystem lasts for a long time, what might happen to consumers that eat plants?

• They would decrease in number or relocate.

• They would become producers.

• They would turn into wildflowers.

• They would increase in number.

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