Question

Which of the following combinations is incorrect?

A Nematoda- roundworms, pseudocoelomate
B Calcarea- gastrovascular cavity, coelom present
C Echinodermata- coelom present, bilateral symmetry
D Platyhelminthes- gastrovascular cavity, flatworms, acoelomate

Answer & Explanation

Answer: Calcarea- gastrovascular cavity, coelom present

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