PPT-Phylum echinodermata Class

Ophiuroidea Ms Mariya Joy Department of Zoology Class ophiuroidea Popularly known as basket stars brittle starsor serpent stars Basket stars Branched arms Brittle stars Fragile and easily breakable arms. 27) Genus Mucrospirifer 28) Genus Platystrophia Class Bivalvia 31) Genus Exogyra 32) Genus Gryphaea 33) Genus Pecten 34) Genus Pholadomya Class Cephalopoda 35) G by: Rachael Landrie Sea urchins have no brain and therefor have a simple nervous system. The center is a large nerve ring encircling and releasing of sperm/eggs from the gonopores. Sea urchins are, ho Kingdom Animalia. Phylum Echinodermata. Class Asteroidea. Class Ophiuroidea. Class Echinoidea. Class Holothuroidea. Echinoderms:. Name means “spiny skin” . Sea stars, sea cucumbers, sea urchins, etc.. (Means spiny skin). https://vimeo.com/37295088. Echinodermata. Classes. Sea stars. Asteriodea(Stelleroids). Aka starfish. Echinodermata. Classes. Crinoidea/Crinoids. Feather stars. Sea lilies. Echinodermata. Spongebob. . Squarepants. Spongebob. . Squarepants. General Term: Sponge. Classification: Kingdom . Animalia. , Phylum . Porifera. Filter feeder – can eat both plants and animals. Invertebrate - Simplest animal form. Molluscs. BSC 2011L. Phylum Annelida. Segmented worms. Circular and longitudinal muscles work against fluid filled . coelom. to produce changes in width and length. Digestion – complete. Circluation. Almonther. I. . Alhamedi. The Islamic University of Gaza. Department . of . Biology. E-mail : . mhamedi@iugaza.edu.ps. Web page :. http. ://site.iugaza.edu.ps/mhamedi. Characteristics of . Phylum Echinodermata. More species (200,000 ) than any other animal phylum except Arthropoda. Soft body – often protected by CaCO. 3. shell. Unsegmented, typically bilaterally symmetrical. I. Phylum Mollusca. ©2004 Amanda Demopoulos. echinodermata. mean?. Spiny skin. Examples of echinoderms. What is an echinoderm?. Typically have no anterior/posterior end. Lack cephalization. Invertebrates. Questions. What is an invertebrate?. What other phyla are invertebrates?. https://. www.youtube.com. /. watch?v. =_2iXHBuSIJY. Phylum Mollusca, Class . Gastropoda. Phylum Mollusca, . Class . Cephalopoda. https://. www.youtube.com. /. watch?v. =os6HD-sCRn8. Phylum Annelida. 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. Acoelomate Invertebrates, Exercise 7. While developing, most animals have the following 3 embryonic tissues:. Endoderm. Mesoderm. Ectoderm. Sponges have no true tissues – . Parazoans. All other animals have true tissues – . Subphylum : . Mastigophora. . Class : . phytomastigophora. . Family : . Euglenceae. . Genus : . Euglena . The . mastigophora. or flagellates characterized by having one or more flagella  . Member of Euglena are spindle shaped , greenish , this color caused by presence of chloroplast which contain chlorophyll .