Give the characteristic features of phylum porifera.

Give the characteristics features of Amphibians.

State the characteristic Features, of Phylum Chordata

Select and write the correct answer: The characteristic feature of phylum to which the cockroaches belong, is

Give the characteristic features of class Cephalochordates.

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

Give the salient features of phylum Porifera.

Sketch and label starfich. Enlist the characteristic features of Echinodermata.

Give the characteristics of Phylum Hemichordata.

Give the characteristic features that help a bird in flight.