Question
Biology Question on Eco-System
Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem ?
A
Phytoplankton
B
Fish
C
Frog
D
Zooplankton
Answer
Fish
Explanation
Solution
A single species may occupy more than one trophic level. In pond, fish occupy more than one trophic level. Small fishes act as secondary consumer. They feed on primary consumer. Large fishes act as tertiary consumer. They feed on smaller fish.