Which of the following organisms will have the highest biomass?

A. Small fish
B. Tadpole
C. Hawk
D. Phytoplankton
E. Big fish

Correct Answer: Option D

D. Phytoplankton

Explanation:

Phytoplankton is a small organism that less surface area to survive with a little and insignificant level of competition. Many other factors account for their surplus in the biomass