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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is energy flow?
💡 Hint: Think about where the energy originates.
Question 2
Easy
Name one type of producer.
💡 Hint: What are examples of organisms that make their own food?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the primary source of energy in an ecosystem?
- The sun
- Water
- Soil
💡 Hint: Think about what is needed for plants to grow.
Question 2
True or False: Decomposers play a critical role in nutrient cycling.
- True
- False
💡 Hint: Consider what happens to dead organisms in nature.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation