Give any four characteristic features of sponges.

Mention any four characteristics features of members belonging to class Amphibia.

Characteristic feature of ctenophores is

Give the characteristics features of Amphibians.

Give the characteristic features of class Cephalochordates.

Give the characteristic features of phylum porifera.

Answer the following: Give any four characteristics of phylum Echinodermata.

Give the characteristic features of the following citing one example of each Chondrichthyes and ostichthyes

Give the characteristic features of the following citing one example of each Urochordata and cephalochordata

State any 6 characteristics of centre of mass:

Write the characteristic features of members belonging to phylum Annelida.