Given below are few characteristic features of phylum - Platyhelminthes. I. The presence of ecto...

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Given below are few characteristic features of phylum - Platyhelminthes.
I. The presence of ectodermal, endodermal and mesodermal layer.
II. The presence of hydroskeleton.
III. Bilateral symmetry.
IV. Complete digestive system.
Codes
(A) II and IV
(B) I, II and III
(C) Only III
(D) Only I
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