Phylum Porifera

Why is the phylum of sponges named Porifera ?

Which of the following phylum possess multicellular, organ grade level of organisation? 1. Platyhelminthes 2. Porifera 3. Nematode 4. Protozoa

Canal system in Porifera is not concerned with

Who described the animals nature of Porifera ?

Which type of animals occur in Porifera ?

Phylum chordata || Sub-Phylum Urochordata || Sub-Phylum Cephalochordata

Name the peculiar cell type found in Porifera and Coelonterata.

Phylum Chordata-General Characters 2 || Sub phylum Urochordata & Cephalochordata