Name an organism found as secondary carnivore in an aquatic ecosystem.
In aquatic ecosystem foodweb can be drawn as follows: Producer (phytoplankton) $\rightarrow$ Primary consumer (zooplankton) $\rightarrow$ Secondary consumer (small fish and water bug) (first carnivore) $\rightarrow$ Tertiary consumers (Secondary carnivores big fishes : Birds living in water like Crane and Duck.
Therefore big fishes and birds seen in water like Crane and Duck which a acquires position as tertiary consumers or secondary carnivores.
The lentic ecosystem includes which of following water
The number of primary producer within a specified area would be maximum in
In ecological crisis, whom interference play important role
Mr. $X $ is eating curd/yoghurt. For this food intake in a food chain he should be considered as occupying