Porifera
Many sponges are planktonic in their larval stage. Full grown sponges are sessile.
-has no tissues,organs, or an organ system. -sessile -asymmetrical -loose republic of cells ex. sponges are the most common that are found in the ocean
a hydra as a polyp is not sessile but when it grows to be a hydra it is sessile
they are sessile
Sessile means attached. So a sessile organism is attached to a substrate.
Porifera are sponges.
Porifera (pōrĭf'ərə) [Lat.,=pore bearer], animal phylum consisting of the organisms commonly called sponge. It is the only phylum of the animal subkingdom Parazoa and represents the least evolutionarily advanced group of the animal kingdom. All adult sponges are sessile (nonmotile), and nearly all are marine; there are four families of freshwater sponges. Sponges are subdivided into three classes.
Producers photosynthesize, making them sessile. Animals that eat the producers are called consumers. Consumers are motile. Remember, sessile means immobile, and most plants are sessile.
The kingdoms of the sessile organisms are mainly two. They are plantae and fungi depending on the particular organism of the sessile. .
phylum porifera are sponges.
Tapinoma sessile was created in 1917.