Chapter 20 Lesson 3 Energy in Ecosystems

What energy role describes an organism that makes its own food, usually by using energy from the sun?

• consumer
• producer
• carnivore
• decomposer

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What energy role describes an organism that cannot make its own food and therefore gets energy by eating other organisms?

• consumer
• producer
• autotroph
• sunlight

All of the following are types of consumers EXCEPT for

• carnivore
• herbivore
• omnivore
• producer

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Herbivores eat

• meat only
• plants only
• both meat and plants
• freshly dead organisms

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Consumers that eat only meat are called

• decomposers
• herbivores
• carnivores
• omnivores

Omnivores eat

• meat only
• plants only
• both meat and plants
• freshly dead organisms

These organisms break down decaying biotic wastes and then return the materials to the ecosystem.

• decomposers
• scavengers
• carnivores
• producers

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Carnivores that eat freshly dead organisms are

• herbivores
• decomposers
• omnivores
• scavengers

Organisms that obtain energy by feeding on other organisms

• Producer

• Consumer

• Decomposer

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A food _______ is a series of events in which one organism eats another and obtains energy.

• chain

• web

• pyramid

• plate

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