PPT-1 Phylum Porifera BIO 2215

Oklahoma City Community College Dennis Anderson 2 Phylum Porifera Multicellular Body with pores ostia No organs or true tissues No nervous system Adults sessile amp attached to substratum. Group 36: Jessica Penney, . Tonika. Levy, And Kristen Young. Porifera. Sponge. Evolutionary History. Previously assigned to a separate subkingdom, . Parazoa. Closest single-celled relatives are thought to be . ible. This can also be done with the entire class, especially if it is small. 4. Have each student group explain their diagram briefly. Disc gh the sponge? Do -feeding 1. Show students a slide sho GERM LAYERS. Porifera. None . cnidaria. Two layers: . Ectoderm. Endoderm . SYMMETRY. . porifera. No symmetry. cnidaria. Radial symmetry. COELOM: . A fluid filled cavity in the body. Porifera. Acoelomate. BSC 2011L. Kingdom Animalia. All animals are multicelluar and heterotrophic . Some means of locomotion. Always diploid. Animal Taxonomy. Domain . Eukarya. Kingdom . Animalia. Invertebrates. Parazoa. – no true tissue layers. EJERCICIO 7. 113-120(EDITION 14. TH. ). 109-119 . (EDITION 15. TH). . Goals for today. Learn to recognized the Phylum . Porifera . from other animals. Learn the main . ‘. diagnostic. ’. characteristics. (pore bearers). pages 664 to 667. Sponges. YouTube - The wonderful world of the sea sponges- The Abyss- BBc Wildlife. Sponges. Scuba sponge. Glass sponge. Variety. Unidentified sponge. Phylum Porifera. Chapter 6, Zoology. Phylum . Porifera. Pronounced (. po. -. rif. '-. er. -a). The name means “bearing pores”. Sponges are made up of . a system. of tiny . pores and canals. that make up a intricate . Who Am I?. Liver Fluke. A . fluke is a type of small, parasitic . flatworm . that feeds on the blood or body of its host. The sheep liver fluke attacks sheep and cattle and has even been known to infect humans, making them seriously ill. . Porifera,Cnidarians,Rotifera. By: Amin Syed and Marwa Saleh. PORIFERA- THE SPONGES. Sponges lack . symmetry but very few small sponges are radially . symmetrical. Poriferas . are multicellular which means that their cells are specialized for different functions of the . Venus’s Flower Basket w/ . Wedding Shrimp. Porifera. I. Considered simple animals as they consist of many cell types with special . functions. & they lack . tissues . and . organs. . . II. Their skeleton can be composed from . Phylum Porifera Invertebrates There are 2 Types of animals Vertebrates : Animals with backbones. Invertebrates : Animals without backbones. * About 97% of all animal species are inverts. Kingdom ). (8,761 known species). General Description: . Simplest animals, multicellular. No organs or body systems. Skeleton composed of spongin (soft) and spicules (hard). Symmetry: . Asymmetrical. Feeding: . Porifera. . . Pressence. of Pores : . ostia. and . Osculum. . Cellular level of . Organisation. .. Pressence. of . Asconoid. or . Syconoid. or . Leuconoid. canal system.. Endoskeleton is formed of . Choanoflagellates. Characteristics. Multicellular . Asymmetric. . Simplest. . of all animals. “. Pore-Bearing. ” - body with pores (ostia). Skeleton made of . spicules. . and/or spongin. Mostly marine (97%), some freshwater (3%).