1 / 4

Phylum Porifera

Phylum Porifera. Phylum Porifera. Sponges are the simplest animals Radially symmetrical Acoelomate Body resembles a perforated sac. Has inner cavity called spongocoel Has large opening called osculum Lining body are cells flagellated cells called choanocytes

tarala
Download Presentation

Phylum Porifera

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Phylum Porifera

  2. Phylum Porifera • Sponges are the simplest animals • Radially symmetrical • Acoelomate • Body resembles a perforated sac. • Has inner cavity called spongocoel • Has large opening called osculum • Lining body are cells flagellated cells called choanocytes • These cells beat to produce a flow of H20 into the sponge through pores in through the body wall, and out through the osculum. • Body wall is composed of many elements • Mesohyl - gelatenous material • Amoebocytes • Motile cells which perform many functions • Capture, digest and transport food • Create tough structural fibers of the body wall called spicules.

  3. A Typical Sponge

  4. Sponges

More Related