Ecosystems and Vocabulary (20 Questions Magic School Quiz)

1. Which of the following best defines a food web?

• A diagram that shows the flow of energy within an ecosystem through the feeding relationships of organisms

• A group of interconnected food chains that represent all the possible feeding relationships in an ecosystem

• A list of the organisms that eat each other in an ecosystem

• A description of the different types of organisms in an ecosystem

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2. Which of the following is an example of a decomposer in an ecosystem?

• Lion

• Rabbit

• Mushroom

• Deer

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3. What is a producer in an ecosystem?

• An organism that obtains energy by eating other organisms
  

• An organism that breaks down dead organisms and recycles nutrients

• An organism that makes its own food using sunlight

• An organism that preys on other organisms

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4. Which of the following is an abiotic factor in an ecosystem?

• Plants

• Animals

• Sunlight

• Microorganisms

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5. What is the role of a consumer in an ecosystem?

• To make its own food using sunlight
  

• To break down dead organisms and recycle nutrients
  

• To obtain energy by eating other organisms

• To provide the basic energy for all other organisms

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6. Which of the following best describes a food chain?

• A cycle of food that repeats itself

• A single path that shows the movement of energy from one organism to another
  

• The interaction of plants and animals
  

• The distribution of energy in an ecosystem

7. Which of the following is an example of a predator-prey relationship in an ecosystem?

• Bees and flowers

• Cows and grass

• Lions and zebras

• Trees and birds

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8. What is the main source of energy for most ecosystems?

• Sunlight

• Water

• Soil

• Air

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9. How does energy flow through an ecosystem?

• It travels in a straight line from one organism to another

• It cycles back and forth between organisms

• It flows in a specific pattern from producers to consumers
  

• It is randomly distributed among organisms

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10. Which of the following is an example of a biotic factor in an ecosystem?

• Rocks

• Air

• Water

• Plants

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