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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What are autotrophs?
💡 Hint: Think about plants and how they create energy.
Question 2
Easy
What is a trophic level?
💡 Hint: Consider the different stages in a chain.
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 first trophic level in a food chain?
- Producers
- Primary Consumers
- Secondary Consumers
💡 Hint: Remember, they are the ones that make their own food.
Question 2
True or False: Energy in a food chain can be recycled back to the producers.
- True
- False
💡 Hint: Think about how energy moves from one level to another without going back.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a food chain: Phytoplankton → Zooplankton → Small Fish → Large Fish, calculate the energy available at each level if the producer captures 1000 Joules of sunlight.
💡 Hint: Apply the 10% rule for energy transfer.
Question 2
Explain how reducing pesticide usage could benefit ecosystems, particularly regarding biological magnification.
💡 Hint: Think about the connection between human health and the food chain.
Challenge and get performance evaluation