Question

explain Porifera classes with examples​

Answer 1

Answer:

The following points highlight the three main classes of Phylum Porifera. The three classes are: 1. Calcarea or Calcispongiae— (Calcareous Sponges) 2. Hexactinellida or Triaxonida or Hyalospongiae— (Glass Sponge) 3. Demospongiae. Phylum Porifera: Class # 1. Calcarea or Calcispongiae— (Calcareous Sponges):

Answer 2

$\huge\boxed{\underline{\sf{\red{A}\pink{N}\orange{S}\green{W}\blue{E}\purple{R}}}}$

Porifera Examples

These are solitary or colonial marine sponges found in shallow waters attached to the rocks. The body is cylindrical in shape with numerous spores. ... Water enters the body through Ostia and reaches the radial canals by prosopyles. These species undergo both sexual and asexual mode of reproduction.