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  4. The figure shows four animals (A),(B),(C,) and (D). Select the incorrect answer with respect to a common characteristic of these animals. <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/biology/e6368c1d8484a7bebc6720bbb9a35af8-.png />

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Q. The figure shows four animals (A),(B),(C,) and (D). Select the incorrect answer with respect to a common characteristic of these animals.
image

NTA AbhyasNTA Abhyas 2020Animal Kingdom

Solution:

All complex animals have a true coelom, including the molluscs, annelids, arthropods, echinoderms and chordates. They have a true coelom, that is completely lined by the mesoderm layer. An octopus is a cephalopod mollusc of the order Octopoda. Octopuses are among the most intelligent and behaviorally flexible of all invertebrates. All the advanced invertebrate phyla have a true coelom. In mollusks, annelids, and arthropods, the coelom forms by splitting of the mesoderm. Therefore, they are called the schizocoelomates. Scorpions are predatory arthropod animals of the order Scorpiones within the class Arachnida. In echinoderms and chordates, the coelom forms by outpocketing of the primitive gut. It is thus, called enterocoelomates.Thus the correct