|| What is Water Canal System?|| Asconoid, Syconoid and leuconoid canal system in Porifera #zoology

#porifera #neet #biology #education #canalsystem #class9lifescience #bsczoology #biologynotes #animalkingdomclass11 #zoology #csirnet #animals #canalsystemofporifera Phylum Porifera, constitute of sponges that are the most primitive of the multicellular animals, lacking organ, but having well developed connective tissue. Sponges are found all over the world and at all depths of the ocean. Most sponges prefer relatively shallow water, but some groups prefer deeper waters. Poriferans may be saucer-shaped, cup-shaped, tubular, rod shaped, foliaceous, fan-shaped etc. watch this video also👇    • || Phylum Echinodermata|| Animal Kingdom |...      • || Phylum porifera || General characterist...      • positive and negative feedback mechanism o...