PPT-Echinoderms

CrownofThorns Star Fish By Joe Baartz Biological Classification The binomial name for the Crownofthorns starfish is called A canthaster P lanci Linnaeus 1758 Kingdom Animalia. 1 The embryos of deuterostomes develop quite differently from those of protostomes Protostomes and Deuterostomes Deuterostomesthe ehino0erms hor0ates an0 a few other groupsshare a mo0e of 0evelopment that is quite 0ifferent from other animals 47 Order Toll Free 877 6615355 Order by FAX 843 4700237 The Phylum Echinodermata consists of about 6000 living species all of which are marine This video program compares the five major classes of living echinoderms in terms of basic functional biology . Phylum . Echinodermata. , from the Greek for . spiny skin. Phylum Echinodermata –. spiney-skinned animals. includes sea stars, brittle stars, sea urchins, sand dollars, sea cucumbers, and crinoids. Megan Snyder and Anita . Soemer. http://www.bing.com/images/search?q=starfish+labeled&qs=IM&form=QBIRMH&pq=starfish+label&sc=8-14&sp=1&sk=#view=detail&id=47996ECADFA4F713FD24356D6F1E7EA504247D96&selectedIndex=0. class. does this organism belong?. Name this organism. What are the bony plates under the skin of an echinoderm called?. What are the tube feet of echinoderms called?. Name these organisms. In what . When Carl Linnaeus first created his method for organizing animals, he had just two families of invertebrates:. . Insecta. (insects) and . Vermes. (worms).. Since that time, scientists have found more invertebrates and have created more classifications. We will talk about six . Phylum . Arthropoda. Most diverse and successful animals of all time. Segmented body, tough . exoskelton. , jointed appendages. Classified based on number and structure of their body segments and appendages. Mollusks, Arthropods, and Echinoderms. 7. th. Grade Science. Mollusks. __________ - invertebrates with soft . unsegmented. bodies that are often protected by a harder outer shell. _________ - a thin layer of tissue that covers the internal organs – produces the hard shell. When Carl Linnaeus first created his method for organizing animals, he had just two families of invertebrates:. . Insecta. (insects) and . Vermes. (worms).. Since that time, scientists have found more invertebrates and have created more classifications. We will talk about six main categories or families of invertebrates.. Echinoderms (phylum Echinodermata) include sea stars and sea urchins. Chordates (phylum Chordata) include the vertebrates. Echinoderms and chordates constitute the clade Deuterostomia. © 2011 Pearson Education, Inc.. Developmental Variations. During embryonic development, the process of . gastrulation. forms the digestive cavity.. Gastrulation. varies in the animal kingdom. No . gastrulation. (. placozoans. ). 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?. Three Domains:. Six Kingdoms. Characteristics of Animals. All . multicellular. . (metazoans). Eukaryotes. . (cells with nucleus & organelles). Ingestive. . heterotrophs. . (take in food and internally digest it). . Class . Pterobranchia. (Sea Angels). Class . Enteropneusta. (acorn worms). Small group of marine worms that show similarities. to Echinoderms and Chordates. Tornaria. of Acorn Worms . Auricularia.