5.2.3 - Energy Flow and Nutrient Cycling
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Practice Questions
Test your understanding with targeted questions
What is energy flow?
💡 Hint: Think about where the energy originates.
Name one type of producer.
💡 Hint: What are examples of organisms that make their own food?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary source of energy in an ecosystem?
💡 Hint: Think about what is needed for plants to grow.
True or False: Decomposers play a critical role in nutrient cycling.
💡 Hint: Consider what happens to dead organisms in nature.
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Challenge Problems
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Analyze a hypothetical ecosystem consisting of grass, rabbits, and foxes. If grass produces 1000 J of energy, how much energy is available to the rabbits, the foxes, and what is ultimately lost as heat?
💡 Hint: Use the 10% Energy Rule as your guide.
If nitrogen is essential for plant growth, discuss the implications of agricultural practices that disrupt nitrogen cycling.
💡 Hint: Consider how nutrients are made available to plants and what happens if they are lacking.
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