Phylum – Porifera – (Pore-bearing) Introduction: The porifers are commonly known as sponges. Porifers consisting the most primitive multicellular animals. These are pore-bearing animals, the body does not consist of organs and they can regenerate their lost parts. The phylum includes around 5ooo species. These are the first multicellular animals. They are called sponges because of their spongy appearance. They show a symbiotic relationship with algae. Characteristic features of phylum Porifera: Habitat: The members of this phylum are generally marine and some are found in freshwater. Level of Organisation: Cellular…
Read MorePhylum – Porifera
