Because that is the scientific name for the family of animals that we call sponges.
give me some example of porifera a natural or "kitchen" or "bath" sponge
Porifera (Sponge)
Phylum Porifera,
they are invertibrates I mean they are including of a family of a invertibrates animals.
The Sponge belongs to Phylum Porifera.
porifera
Porifera.
Porifera
well there many different names, but the scientific one asswipe
If you used a natural sponge, you used an animal from the phylum Porifera, which is the sponge phylum.
sponge,scyon,hydra
Porifera