Single Choice

Select the correct matching of animals, their symmetry, organisation and coelom type.

AAnimals - Ctenophores Symmetry - Radial Organisation - Diploblastic Coelom Type - Pseudo-coelomates
BAnimals - Echinoderms Symmetry - Bilateral Organisation - Triploblastic Coelom Type - Coelomates
CAnimals - Platyhelminthes Symmetry - Bilateral Organisation - Triploblastic Coelom Type - Acoelomates
Correct Answer
DAnimals - Annelids Symmetry - Biradial Organisation - Diploblastic Coelom Type - Coelomates

Solution

Platyhelminthes are triploblastic, acoelomate organisms showing bilateral symmetry. Ctenophores have radial symmetry, are acoelomates having diploblastic organisation. In echinoderms, larvae have bilateral symmetry while adults have radial symmetry. They are coelomates with triploblastic organisation. Annelids are triploblastic, coelomate organisms showing bilateral symmetry.
Hence the correct option is C.


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