porifera

porifera   Dan porifera

Anatomy and Physiology Porifera possess no head and no tail; they are basal metazoans characterized by the absence of true tissues , a

Learn about Porifera sponges Discover interesting facts about the classification of Porifera The phylum Porifera comprises the sponges Sponges are simple invertebrate animals that live in aquatic habitats Although the majority of sponges are marine,

สมาชิกของ สล็อตแมชชีน Porifera contain the sponges: the most ancient of all animal groups They originated in the Cambrian period around 600 million years ago  Phylum Porifera includes organisms that lack specialized digestive, nervous, and respiratory systems These organisms have a radial symmetry, do