PPT-Worms- Phylum Platyhelminthes

Link to video Flatworms General Information 3 phyla in Ch 14 We are going to focus mainly on Phylum Platyhelminthes Symmetry Bilateral Cephalization head end concentrated with sense organs and nervous control. VMP . 920. Infection & Immunity II. Veterinary . Parasitology. Nematoda. Triploblastic. Bilateral. Cuticle (secreted). Longitudinal Muscles only. Psuedocoelomate. Dioecious . Complete Digestive Tract. Link to video. Flatworms - General Information. 3. . phyla in Ch. 14 – We are going to focus . mainly on . Phylum Platyhelminthes . Symmetry. : Bilateral. Cephalization. - head end concentrated with sense organs and nervous control. BSC 2011L. Animal Characteristics. Symmetry. Radiata. – radial symmetry, . diploblastic. (2 tissues). Bilateria. – bilateral symmetry, . triploblastic. Body Cavity. Acoelomates. – no cavity. BASIC CHARACTERISTICS OF ANIMALS:. 1. . 2. . 3. . . . NINE ANIMAL PHYLA. . INVERTEBRATES: . . VERTEBRATES (CORDATES): . (1 phylum). . . Invertebrates. Chapter 6. Marine Ecology. Mr. Seifert. Cnidaria. Sponges. Platyhelminthes. Nematoda. Mollusca. Annelida. Annelida. General Characteristics. Segmented Worms. Hydrostatic Skeleton. Setae. Phylum Platyhelminthes. Flatworms. Flat and thin bodies. Bilateral symmetry . Most are parasitic . Phylum Platyhelminthes. Flatworms include planarians, flukes, and tapeworms. 20,000 species of flatworms. 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. . 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 . Adaptive Benefits of a Pseudocoelom - a space between the guts and the . body wall . It is not lined with a . peritoneum. therefore is termed a . false cavity. It is an improvement over the . acoelom. Core. Course No. ZOOA – . P1T. , . Group-A. , . Topic . No. . 2 . Bilaterally symmetric, triploblastic, true coelomate animals.. Body vermiform , elongated, divided into three regions, . anteriormost. Characteristics of Phylum Platyhelminthes (means “flat worm”). Flatworms have . three germ layers (. triploblastic. ); they are the first animal we have discussed in this class with . true organs and tissues. !90,000 worms in a single rotting apple !!~9 billion in 1 acre of farmland !!Major are small predators or saprophytes !!Nearly every insect is parasitized by a nematode !!Plant and animals nematode pa CLASS : TREMATODA. Types of . Trematodes. LIVER FLUKE. :. . Fasciola. , . Clonorchis. , . Dicrocoelium. INTESTINAL FLUKE. . : . Fasciolopsis. , . Heterophyes. LUNG FLUKE. . : . Paragonimous. BLOOD FLUKE. Animal Characteristics. Symmetry. Radiata. – radial symmetry, . diploblastic. (2 tissues). Bilateria. – bilateral symmetry, . triploblastic. Body Cavity. Acoelomates. – no cavity. Psuedocoelomates.