Question

what is protozoa and porifera

Answer 1

Protozoa are single-celled animal-like organisms such as paramecium, amoebas, etc. Porifera is simply the phylum for sponges. Porifera means "pore bearer" because sponges have holes or pores in which they filter food from the water.

Answer 2

Protozoa - Protozoa is a defined as a diverse group of unicellular eukaryotic organisms.
Porifera - from Latin porus "pore, opening" ,fer "bearing"
This the phylum of primitive invertebrate animals comprising the sponges and having a cellular grade of construction without true tissue or organ formation.