Question

describe the silent features of phylum molusca .Classify them and write the characteristic of any three class with example?​

Answer 1

1. Body of these animals is soft and slimy. Hence they are called as mollusc.

2. This is the second largest phylum in animal kingdom.

3. These animals are aquatic or terrestrial. Most of the animals are marine,but few are fresh dwellers .

4. Body of these animals is triploblastic , eucoelomate , non-segmented and soft. Except for animals like snail, their body shows bilateral symmetry. Their body is divided into three divisions like head, foot and visceral mass.

5. Visceral mass is covered with mantle. This mantle secrets a head , calcareous shell. This shell may be external or internal or even absent in some cases.

6.  These animals are unisexual.

Examples: Bivalve,Snail, Octopus, etc.

PLSS MARK IT AS BRAINLIEST