Leucon - Guides d'étude, Notes de cours & Résumés

asconoid sponges - ANSWER-have a simple vase-like structure with a single osculum, limited in size because an increase in volume without a corresponding increase in surface area of choanocytes ( make up majority of sponges) syconoid sponge - ANSWER-Tubular body and a single osculum, the choanocyte layer is folded back and forth to make canals leuconoid sponges - ANSWER-more complex design, no real atrium, several small flagellated chambers instead in which choanocytes are, most adaptive an...