Q. Which one of the following animals may occupy more than one trophic level in the same ecosystem at the same time?
A) Goat
B) Frog
C) Sparrow
D) Lion
Explanation
[Solution from source] A sparrow eats grains and fruits (primary consumer) as well as insects (secondary consumer), so it occupies two trophic levels at once. A goat is strictly herbivorous and a lion strictly a top carnivore; a frog feeds mainly on insects. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.