PPT-CHORDATES: FISHES (JAWLESS, BONY AND CARTILAGINOUS CREATURES)

Barbara Leary and Amy Vallis AP Biology Ms Bergman April 8 2011 BODY STRUCTURE AND COVERING BONY FISH Teleosts Scales are flatter covered by thins layers of skin and mucus making them slippery. JEOPARDY. How things. work?. Bony Fish. Anatomy. Circulatory. System. Digestive. System. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. Invertebrate chordates. Tunicates and lancelets. Vertebrate chordates. Fishes. Amphibians. Reptiles. Birds. Mammals. Nonvertebrate Chordates . Tunicates (sea squirts). Squirt water when their siphons are disturbed. 1. What is a fish?. Aquatic vertebrates that have paired fins, scales, and gills.. Of course there are exceptions . . There are approx. 24,000 living species. 2. Questions. What is the function of fins?. Presented to you by: Sanchita Agrawal, Priyanka Mangtani, Inga Gurevich, Melody Chua. Part 1: Invertebrate Chordates. OBJECTIVES:. Examples. Evolution. Body Structure. Nutrition/Digestion. Transportation. Marine Fishes. Section 12.1. . Protochordates. and. Jawless Fishes. Objectives. List. the distinguishing features of the . protochordates. . and the jawless fishes. Explain. the importance of studying . Biology 342. (. Simplified). Phylogey. of Fishes. HAGFISHES:. Living relict group of fishes often considered to be amongst most primitive of vertebrates.. Jawless, poorly developed cranial structures, no ossified vertebral elements.. Fish- multiple fish that belong to the same species. Fishes- multiple fish that belong to different species. “Fish” versus “Fishes”. All . have…. At least one bone in their skeleton. Scales. Scientific Classification-. Class . Osteichthyes. Class . Osteichthyes. includes all bony fishes. . Like all fishes, . Osteichthyes. are cold-blooded vertebrates that breathe through gills and use fins for swimming.. Biology 201. Python consuming deer.. Python vs. Alligator. Vertebrate Evolution. First Step: Notochord is Replaced by Vertebrae. Ostracoderms. Stem vertebrate. Dermal bony armor. Jawless, . free swimming,. Where does it start?. Part 1. Phylum Chordata. Animal Kingdom. Vertebrates over here. Chordata (animals with notochord at some stage in life cycle). Craniata (euchordates with a cranium) = Vertebrata. Draw the general idea of the following. Depressiform. Compressiform. Fusiform. Sagittiform. Aguilliform. Name 3 examples of bony fish. Name 3 examples of cartilaginous fish. What were the four fish mentioned in Four Fish?. Traditional organization of Vertebrate Taxonomy. AGNATHA -Jawless Fishes. CHONDRICHTHYES -Sharks, skates, rays and chimeras. OSTEICHTHYES -Bony Fishes. AMPHIBIA -Amphibians. REPTILIA -Reptiles. MAMMALIA -Mammals. Page 39, . text. Precambrian. Phylogeny of the Fishes. The first vertebrates to appear in the fossil record occurred in the late Cambrian Period (. ~. 500 mya). These were jawless armored fishes known as . Subphylum Vertebrata: (. craniata. ). Superclass. :. . Agnatha. (jawless fish). . Class:. . Cyclostomata. (jawless vertebrates: lampreys and hagfishes). . Order : . Petromyzontia. . . Order :.