question_answer 29)

    If the carbon atoms fixed by producers already have passed through three species, the trophic level of the last species would be (a) scavenger                                                                     (b) tertiary producer (c) tertiary consumer                                                     (d)secondary consumer

Answer:

                    (c)Producer Scavengers are the detrivores which feeds on the tissue of dead animals (e.g., vultures) and do not play role in carbon fixation. Producers fix the carbon dioxide which is passed through the different trophic level.