3. Interaction and Interdependence
Trophic Levels — Quiz
Test your understanding of trophic levels with 5 practice questions.
Practice Questions
Question 1
What is a trophic level in an ecosystem?
Question 2
Which organisms are usually found at the first trophic level?
Question 3
What is the main source of energy for most food chains on Earth?
Question 4
Why is the biomass usually lower at higher trophic levels?
Question 5
Which term describes organisms that feed directly on producers?