The order of organism in an aquatic food chain is
Bacteria $→$ Seal $→$ Diatom $ →$ Fish $→$ Crustacea
Crustacea $→$ Seal $→$ Fish $→$ Polar Bear $→$ Diatom
Polar Bear $→$ Diatom $ →$ Seal $→$ Crustacea
Diatom $→$ Crustacea $→$ Fish $→$ Seal $→$ Bacteria
What energy percentage can be captured by the organisms of next trophic level
The bacteria that attack dead organic matter are
Which one of the following is a correct food chain
Driving force of an ecosystem is