PPT-Phylum: Porifera ( sponges

8761 known species General Description Simplest animals multicellular No organs or body systems Skeleton composed of spongin soft and spicules hard Symmetry Asymmetrical Feeding . 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. Porifera. Porifera. “Pore-bearing”. Over 4,000 species. Mostly marine. Classification. Kingdom Animalia. Plant-like in appearance. Lack some typical animal . characteristics. Distinct tissues. Dead end phylum. Review. At first, limit your learning to the features that are . unique. to a group and/or groups that “. invented. ” features or had “. firsts. .”. Use the characteristics given to name the group.. 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. Kingdom . Animalia. Phylum . Porifera. Vase sponge. Porifera. Porifera. means “pore-bearing” and refers to the numerous pores and channels that permeate a sponge’s body.. P. hylum . Porifera. . Sponges. Kingdom. Animalia. Phylum. Porifera. Sponges. Sessile. Don’t move. No specialized tissues or organs. Asymmetrical. Sponges . Body Structure. Vase-wall around a hollow tube. Closed at the bottom and open at the top. Phylum: . Porifera. Sponge Characteristics. Simplest animal. Live in all oceans but prefer shallow tropical waters.. Sessile. Asymmetrical body plan. Filter feeders – can filter several thousand liters a day.. Sponges are a diverse group of common types, with about 5000 species known across the world. . Sponges are primarily marine, but around 150 species live in fresh water. . Sponges have cellular-level organization, meaning that that their cells are specialized so that different cells perform different functions.. a.k.a. “Pore bearers,” or sponges. http://www.southerncrafter.com/Bath Puff Sponges Assorted.gif. http://www.southerncrafter.com/Bath Puff Sponges Assorted.gif. Campbell, Neil A., and Jane B. Reece. . 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 BY. MR LAOYE, B. J.. Email; . babafemif@abuad. .edu.ng. Instagram. : @. femilaoye. Telephone: (+234)8136916125. HEMICHORDATA. Hemichordates were formerly members of the phylum . chordata. But over the years they were separated from chordates because scientists found out that they lacked a Notochord. Sponges are primarily marine, but around 150 species live in fresh water. . Sponges have cellular-level organization, meaning that that their cells are specialized so that different cells perform different functions..