Which of the following represents the correct combination of a taxonomic group with its characteristics, without any exception?

Easy

A

Cnidaria - Diploblastic radially symmetrical animals with polyp, medusa and cnidocytes
B

Ctenophora - Diploblastic radially symmetrical animals with comb plates and reproduces by only sexual method
C

Platyhelminthes - Triploblastic bilaterally symmetrical pseudocoelomates
D

Aschelminthes - Pseudocoelomate endoparasites with internal fertilisation

Solution

All Ctenophores are diploblastic, radially symmetrical animals. In all Ctenophores comb plates are present which help in locomotion. All Ctenophores reproduces by sexual method only.
In Cnidarians, polyp and medusa stages are absent in some animals (e.g., Hydra).
All animals of Platyhelminthes are acoelomates.
In Aschelminthes, some are free living forms (e.g., Rhabditis).

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