1.

Question : Read the following statements and select the correct ones. (i) A given species may occupy more than one trophic level in the same ecosystem at the same time. (ii) Productivity of an aquatic ecosystem is less than that of a terrestrial ecosystem. (iii)Producers constitute the first trophic level of a detritus food chain.

Answer»

(i) and (II)
(ii) and (III)
(i) and (iii)
(i) , (ii) and (iii)

ANSWER :A


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