Q.
Which of the phylum contains exclusively marine, radially symmetrical, diploblastic organisms with the tissue level organisation?
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NTA AbhyasNTA Abhyas 2020Animal Kingdom
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Solution:
Members of phylum Ctenophora commonly known as sea walnuts or comb jellies are exclusively marine, radially symmetrical, diploblastic organisms with tissue-level organization. Members of this phylum are found in the depth of the ocean and the property of bioluminescence is well marked in Ctenophora.