PPT-Phylum Platyhelminthes

Unique Features First animals with Bilateral symetry These are first Triploblastic animals These have organ system organisation These are leaf like or ribbon like animals. 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. Phylum Species Placozoa 1 Demospongia 8000 Hexactinelida 1000 Calcera 1000 Cnidaria 9000 Ctenophora 100 Myxozoa 1200 Rotifera 1800 Acanthocephala 1150 Cycliophora 1 Entoprocta 150 Platyhelminthes 1378 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. 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. Class. Order. Family. Genus. Species. Mammalia. Aves. Primates. Carnivora. Hominidae. Hylobatidae. Homo. Hylobates. sapiens. antecessor. Chordata. Arthropoda. Insecta. Arachnida. Hymenoptera. Isoptera. 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. . Period 5. General Description. Phylum- Platyhelminthes contains flatworms. Soft, unsegmented, & flat (no more than a few mm thick). Tissues (tripoblastic) & internal organ systems. Simplest animals to have: 3 embryonic germ layers, bilateral symmetry, & cephalization. Characteristics. . Unsegmented. worms. Simplest animals with. . Bilateral symmetry. No . specialized . circulatory. or . respiratory. system. (uses diffusion to transport oxygen and . nutrients). 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 . 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. 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.