12.4 - Energy Flow
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is the primary source of energy for ecosystems?
💡 Hint: Think about where all life on Earth gets its energy.
What are autotrophs?
💡 Hint: They are essential for the food chains.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary producer in a typical energy flow?
💡 Hint: Who produces their food in nature?
True or False: Decomposers are autotrophs.
💡 Hint: Think about what they do with dead material.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Construct a detailed food web using examples of producers, primary consumers, and secondary consumers from an ecosystem of your choice.
💡 Hint: Think about what each animal might eat.
Analyze the impact of removing a top predator from an ecosystem. What would happen to the trophic levels and energy flow?
💡 Hint: Consider what would happen to populations when natural controls are absent.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.