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27. These organisms would be in the groups _?_ A. Cnidaria & Eumetazoa B. Bilateria & Cnidaria C. Porifera & Parazoa D. Synde
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The picture is of Aurelia (jelly fish), . It is found in the ctenohora or cnidaria phylum. Because they have cnidoblast cells in their body. They are found in the eumetazoa group. It is the sister group for proifera. This group is more advanced as compared to the porifera. The acellular mode of organisation is not found in the eumetazoa. They have either tissue, organ or organ system level of organisation. Cnidaria have tissue level of organisation.

Answer is : A) Cnidaria and eumetazoa.

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