Food Chain/ Food Web Quiz

A student studies the flow of energy among organisms in an ecosystem. She draws a picture of a food chain in a pond ecosystem, as shown. What type of organism is the egret in the food chain?

• carnivore

• decomposer

• herbivore

• producer

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Identify the animal in this food web that obtains nutrients directly from producers.

• frogs

• caterpillars

• foxes

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Organisms that create their own food (usually through photosynthesis) are called

• Producers

• Consumers

• Decomposers

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Living things that cannot make their own food and therefore eat other organisms, are called

• Producers

• Consumers

• Decomposers

How are the animals best classified in the picture below?

• small and large animals

• animals with teeth and animals without teeth

• carnivores and herbivores

• consumers and producers

Earthworms are considered _______ because they consume and recycle organic matter.

Which of the following is the first source of energy in the food chain?

• the sun

• the moon

• the ocean

• the clouds

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NGSS.MS-LS1-6

Complete the chart by matching each element with its role in the food chain.

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What do the arrows in a food chain indicate about the flow of energy in an ecosystem?

• Energy is continuously recycled by the organisms in an ecosystem.

• Energy flows in one direction in an ecosystem, from producers to consumers.

• More of the available energy in an ecosystem is given to large animals than to small animals.

• Organisms at the end of the food chain receive more energy than those at the beginning.

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

Complete the food chain. Sun → a → Zebra → b

• a: plankton, alligator, fish, grass, chicken

• b: spider, guppy, lion, wheat, human

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