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
Consider the following statements about food chain
$I.$ The transfer of energy from producers to top consumers through a series of organisms is called food chain
$II.$ A food chain is always straight and proceeds in a progressive straight line
$III.$ In a food chain, there is unidirectional flow of energy from sun to producers and subsequently to series of different types of consumers
Which of the statements given above are correct?
Grazing food chain
In an ecosystem in abiotic components which of the following occur
The organisms, which attack dead animals are
Justify the pitcher plant as a producer.