Phylum Porifera - Structure, Classification, Characteristics

porifera  Porifera are a taxonomically difficult group , offering many possible applications for such methods Preliminary results of electro- phoretic studies on Anatomy and Physiology Porifera possess no head and no tail; they are basal metazoans characterized by the absence of true tissues , a

Porifera are the most primitive of animals and thus have an early branch on the animal phylogenetic tree, so they're likely candidates for ฟองน้ำน้ำจืด เป็นสัตว์ในไฟลัม Porifera คลาส Demospongiae อันดับ Haplosclerida ฟองน้ำน้ำจืดมีลักษณะสำคัญคือ มีลำตัวเป็นโพรง มีรูพรุน ดำรงชีวิตโดยยึดเกาะ กับวัสดุในน้ำ เช่น ก้อนหิน

Sponges the members of the phylum Porifera are a basal animal clade as a sister of the diploblasts They are multicellular organisms that have bodies full SpongesSponges are considered the oldest animal group They are multicellular but don't have tissues or organsThe name porifera means 'pore bearer' in Latin