PPT-Characteristics of Phylum Cnidaria

5 1 Coral Anemones Sea Fans and Jellyfish Chapter 5 Pages 533 amp 534 Characteristics of Phylum Cnidaria 5 2 Coral Anemones Sea Fans and Jellyfish Chapter 5 Pages 533 amp 534. 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. 5 - . 1. Coral, Anemones, Sea Fans, and Jellyfish. Chapter 5 Pages 5-33 & 5-34. Characteristics of Phylum Cnidaria. 5 - . 2. Coral, Anemones, Sea Fans, and Jellyfish. Chapter 5 Pages 5-33 & 5-34. Invertebrates. Chapter 6. Marine Ecology. Mr. Seifert. Cnidaria. Sponges. Platyhelminthes. Nematoda. Mollusca. Annelida. Annelida. General Characteristics. Segmented Worms. Hydrostatic Skeleton. Setae. Cnidaria. Phylum . Cnidaria. Radial or . biradial. symmetry. No posterior or anterior ends. Instead they have oral (end with the mouth) and . aboral. ends . Mostly marine. Over 9,000 species. Characteristics of Cnidarians. :. PHYLUM CNIDARIA. PHYLUM CTENPHORA. CLASSIFICATION. CHARACTERISTICS. ECONOMIC IMPORTANCE. SUPER PHYLUM COELENTERATA. These are animals with definite shape; radial symmetry. . They have tissues; tissues formation start from here. . General Characteristic :. Metazoa ( true tissues ).. Coelentrata , single cavity to the body ( enteron or gastrovascular cavity ) . Radially symmetrical.. Diploblastic: . . - Ectoderm ( dermis ). - Endoderm ( Gasrodermis ). ). (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: . Phylum Nematoda. Phylum Annelida. Choanoflagellates. The Worm Characteristics. Bilateral. symmetry – the simplest organisms to exhibit this type of symmetry. Invertebrates – use . hydrostatic. pressure to provide structural support (made of . 1. Cnidocyte. : Unique and defining feature of this phylum. A combined sensory-effector cell.. Cnidocytes. have a single sensory cilium thus are called as the independent sensory-effector cells.. Each . 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. : . Polyplacophora. . Chiton . sp. . 1. Mostly . marine. , attached to rocks near the sea shore. . 2. The body is . oval . in shape, . convex above and flattened below. GRAM NEGATIVE BACTERIA. Wide. . morphological. and . metabolic. . diversity. .. Clinical. , . environmental. , and industrial . relevance. Phylum. . with. . highest. . number. of . cultured. . In biology, . phylum.  . (.  . plural. : . phyla. ). .  is a . taxonomic rank.  below . kingdom.  and above . class. .. phyla can be thought of as grouping organisms based on general specialization of . Phylum Spirochaetes. 4. . Phylum Spirochaetes. Gram . negative. Aquatic. . environments. ; . some. . pathogens. Unique. . morphology. . . Endoflagella. . 4. . Phylum Spirochaetes. Treponema: . animal and human hosts, microaerophilic, very sensitive to environmental stress .