Q. In an aquatic ecosystem, the trophic level equivalent to cows in grasslands is
A) Phytoplankton
B) Zooplankton
C) Nekton
D) Benthos
Explanation
Zooplanktons are the microscopic animals that feed on the phytoplanktons in an aquatic ecosystem. These are truely herbivorous and form the second trophic level (primary consumers) equivalent to cows in grasslands.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.