Introduction to Ecosystems

Which statement concerning an ecosystem is correct?

• It can exist with or without a constant source of energy.

• It must contain consumers but can exist without producers.

• It involves interactions between biotic and abiotic factors.

• It can exist on land but it can't exist in water.

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What is a producer? 

• Organism that creates their own food.

• Organism that eat other organisms for energy

• Organism that eat other dead organisms

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What animal is on the top of the food chain?

• Grass

• Grasshopper

• Mouse

• Owl

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Where does the energy start in this food chain?

• Plant

• Sun

• Deer

• Wolf

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What are plants called in a food chain?

• Producers

• Consumers

• Decomposers

• Scavengers

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What is the role of a producer?

• Use sunlight to make food

• Gain energy from eating other organisms

• Keep other species from overpopulating

• Breaking down dead stuff 

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Which of these organisms would receive energy from the snake?

• Plant

• Rabbit

• Mouse

• Hawk

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Which type of consumer eats meat and plants?

• Herbivores

• Carnivores

• Omnivores

• Plants

The Primary consumers are eaten by the...

• Producers

• Primary Consumer

• Secondary Consumers

• Tertiary Consumer

• Decomposers

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Producers are eaten by...

• Producers

• Primary Consumers

• Secondary Consumers

• Tertiary Consumers

• Decomposers

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