Mention characteristic features of Phylum Platyhelminthes.
Characteristic features of Phylum Platyhelminthes:
i. They are dorsiventrally flattened, bilaterally symmetrical and unsegmented worms.
ii. They are acoelomate, triploblastic and show tissue level of organization.
iii. Digestive cavity is present with a single opening, the mouth.
iv. Anus is absent.
v. Sexes are not separate.
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