Ecosystem Ques 72

72. Second most important trophic level in a lake is producers

(a) Zooplankton

(b) Phytoplankton are microscopic organisms that live in water and perform photosynthesis.

(c) Benthos

(d) Neuston

Show Answer

Answer : a

Hints & Solutions

(a) First trophic level in a lake is phytoplankton, second is zooplankton.