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Question
Triploblastic, unsegmented, acoelomate exhibiting bilateral symmetry and reproducing both asexually and sexually with parasitic forms.
The above description is characteristic of which phylum?
Triploblastic, unsegmented, acoelomate exhibiting bilateral symmetry and reproducing both asexually and sexually with parasitic forms.
The above description is characteristic of which phylum?
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Solution
The correct option is E Platyhelminthes
Members of phylum Platyhelminthes are flatworms that are bilaterally symmetrical, triploblastic, and acoelomate organisms with organ level of organization. Their body is not metamerically segmented like annelids. They are capable of reproducing both sexually and asexually and exhibit many parasitic forms. Ctenophores are biradially symmetrical and cnidarians are radially symmetrical. Porifers are asymmetric and acoelomate organisms. Thus, the correct answer is option A.
Members of phylum Platyhelminthes are flatworms that are bilaterally symmetrical, triploblastic, and acoelomate organisms with organ level of organization. Their body is not metamerically segmented like annelids. They are capable of reproducing both sexually and asexually and exhibit many parasitic forms. Ctenophores are biradially symmetrical and cnidarians are radially symmetrical. Porifers are asymmetric and acoelomate organisms. Thus, the correct answer is option A.
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