Phylum Mollusca#!#Hemichordates

Phylum Mollusca is characterized by

Invertebrates (Non-Chordates) -Phylum Arthropoda|OMR|Invertebrates (Non-Chordates) -Phylum Mollusca|Invertebrates (Non-Chordates) -Phylum Echinodermata|OMR|Summary

Discussion Class-3 Phylum Mollusca || Echinodermata || Hemichordata || Chordata || Cephalochordata || Pisces || Superclass

Discuss the characters of the phylum Mollusca or Echinodermata.

Mention the classes of the phylum Mollusca or Echinodermata. Give their distinguishing features and examples.

Phylum Mollusca can be distinguished from other invertebrates by the presence of

Phylum Mollusca can be distinguished from other invertebrates by the presence of

Read the following statements and select the incorrect ones. (i) Circulatory system in arthorpods is of closed type. (ii) Parapodia in annelids help in swimming. (iii) Phylum Mollusca is the second largest animal phylum. (iv) Aschelminthes are dioecious.