PDF-Animal Diversity II Phylum Annelida and Phylum Arthropoda

Today we will study the annelids the segmented worms and the arthropods a huge group that contains insects spiders and crustaceans Three tissue layers are present in both of these groups Also. 11/2010 COCKROACH (Madagascar Hissing) Phylum: Arthropoda Class: Insecta Order: Blattodea Family: Blaberidae Genus: Gromphadorhina Species: portentosa Name Sex ID Born Acquired Notes None Asst. Many 1. Phylum Annelida. Class Polychaeta. Class Clitellata. Phylum Annelida. 2. Annelid Characteristics. Defining Characteristics. One or more pairs of chitinous setae. The phylum includes polychaetes, earthworms, leeches, and vestimentiferans. THE EVOLUTION OF ANIMAL DIVERSITY. WHAT IS AN ANIMAL?. DEF .  ??. ANIMALS OBTAIN NUTRIENTS BY . INGESTION. INGESTION  DEF??. THERE ARE MANY OTHER UNIQUE FEATURES THAT DISTINGUISH ORGANISMS AS ANIMALS. Lesson Objectives. Learning Goals. Reminder – Due dates. Minds ON . Yesterday’s Recap. Animal Phyla Mini Lesson. Animal Phyla Lab. Exit Card. Learning Goals. We are / will be learning to…. Analyze . Annelid Characteristics. Annelids are to be found in marine, freshwater, and terrestrial habitats. The body is vermiform, bilaterally symmetrical, and segmented (. metamerism. ). Each segment is separated from contiguous ones by a transverse septum. -. Arthropoda. –. Insects and Crustaceans. Arthropoda - Crustacea - lobsters, crabs, barnacles. Arthropoda - Crustacea - lobsters, crabs, barnacles. Characteristics -. 1. Head and thorax are fused - cephalothorax. Animals are the most physically diverse kingdom but share common characteristics.. Most animals reproduce sexually. . Animal cells are. supported by collagen.. three-stranded. protein. found in bone,. Categories of Benthic Animals. >1 mm . macrobenthos. <.1 mm . microbenthos. Between .1 and 1 mm . meiobenthos. Major Taxonomic Groups of Benthos. Porifera. Coelenterata. Hydrozoa. Platyhelminthes. 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. Animal Classification Living organisms are classified into five kingdoms. Each kingdom is further split into smaller groups called Phyla (singular phylum) In each Phyla there are classes and then classes are subdivided into orders. Phylum . Arthropoda. Arthro. = Joint, . Poda. . = Appendages, feet. Account . for over 80% of all known living . animal. species.. Presence of . metamerism. . (=serial segmentation). Shared characteristic with the . 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 . OVERVIEWS. Arthropoda is a much heterogenous group including a variety of animals with divergent views concerning their phylogeny.. Because of this reason , no definite system of classifying this phylum exists.. 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.