Use the dichotomous key to answer question 22. 1A Go to 2 All wings are thin, delicate, and fragile.. Wings are rigid or not visible/present at all times... 1B hymenoptera One pair of usable wings (hind wings are tiny knobs).. Two pairs of wings.. diptera go to 3 2A 2B ЗА Wings with scales that rub off; long feeding tube, may be coiled.. Wings without scales; small, fingerlike projections used for feeding. lepidoptera 3B odonata

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A: Deuterostomes class include echinoderms, chordates etc.

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A: Statement b,c,d,e are correct

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Classification of Marine Organisms

Classification is a way of categorizing organisms that enables an easy process of identification of such organisms. All living things are classified by grouping them under specific categories. The grouping is done based on the close relativeness of the organisms. The classification tool requires knowledge of characteristics, differences, and similarities between different organisms.