Food Chains

The shortgrass prairie is an ecosystem found in the Great Plains. Many different populations of animals depend on the prairie ecosystem for survival. A typical community includes animals such as snakes, birds, mice, rodents, and insects.

Which food chain most accurately demonstrates the flow of energy in a shortgrass prairie ecosystem?

• grasshopper → bird → rodent → buffalo

• hawk → snake → mouse → grasshopper

• grasshopper → mouse → snake → hawk

• snake → hawk → skunk → mouse

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The roadrunner is a desert bird that eats fruits and seeds. It also eats insects, spiders, scorpions, and rattlesnakes.

What would likely happen if the roadrunner population disappeared from its ecosystem?

• There would be no more fruits or seeds.

• There would a decrease in spider populations.

• The rattlesnake population would stay the same.

• There would be an increase in scorpion populations.

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What is a part of the food chain that makes its own food and nutrients?

• consumer

• producer

• omnivore

• sun

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An animal that eats only plants is called a -

• carnivore

• omnivore

• insectivore

• herbivore

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An animal that eats both plants and animals is called a -

• omnivore

• herbivore

• carnivore

• producer

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Another word for a living thing is a:

• animal
• organism
• plant
• community

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Bacteria and fungi typically serve what role in an ecosystem?

• herbivore
• carnivore
• omnivore
• decomposer

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What is a producer?

• an organism that gets energy from eating other organisms
• an organisms that uses sunlight to make its own food
• an organism that gets energy from eating dead organisms, non-living material or waste
• an organism that uses chemical energy to make its own food

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Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

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All organisms need _____ to survive.

• Environment
• energy
• sun
• plants

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