Question

Write two important characteristics of Mollusca.

Answer 1

Mollusca are the aquatic animals with the soft body covered with the hard calcareous shell. they are triploblastic and bilaterally symmetrical. The two important characteristics of Mollusca are as follows:

1. Coelom is reduced to a pericardial cavity around the heart.
2. The locomotory structure is represented by muscular foot.