PPT-Bony Fishes Class - Osteichthyes

Scientific Classification Class Osteichthyes Class Osteichthyes includes all bony fishes Like all fishes Osteichthyes are coldblooded vertebrates that breathe through gills and use fins for swimming. Kingdom: . Animalia. Phylum: Chordata. Subphylum: Vertebrata. Class: . Osteichthyes. “bony fish”. Traits of Bony Fish. Bony skeleton. Traits of Bony Fish. Bony skeleton. Scales. Traits of Bony Fish. 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?. Characteristics of all Fish. All fish are . aquatic. All fish are . vertebrates. All fish have . gills. All fish have appendages in the form of . fins. Most. fish have skin with . scales. Different Groups of Fishes. The . Protochordates. as Ancestors. Some living chordate groups may resemble the primitive vertebrate ancestors (. protochordates. ). Hemichordates. Burrows in marine sediments (acorn worms). (+) pharyngeal gill slits; . Which of the following traits is shared by all vertebrates, at least in some developmental stages, except the lampreys?. notochord. vertebrae. cartilaginous skeleton. cranium (head). mouth with jaws. … a . superclass. . “a-without... gnathus. -jaws”. Jawless fish . Only 80 existing species divided into 2 classes . Class . Cephalaspidomorphi. : lampreys. Most live permanently in fresh water . in Computed Tomography. Michael C. . Ficorelli. , RT. Lesson Description. To explain the various exams pertaining to the pelvis using computed tomography, . i. ncorporating cross sectional anatomy from images. The . Protochordates. as Ancestors. Some living chordate groups may resemble the primitive vertebrate ancestors (. protochordates. ). Hemichordates. Burrows in marine sediments (acorn worms). (+) pharyngeal gill slits; . . The Bony Fish. Class Osteichthyes. Characterized by having:. Bone in their skeleton . An operculum covering the gill openings. A swimbladder or lungs. True scales. Paired fins. Homocercal tail (Exception lungfish – diphycercal). 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?. Origin. Position. Anatomy. Ovaries. Testes. Testes in different groups. Structure of ovary. Structure of testes. Cyclic changes in gonads. Intermittent organs. Reproductive strategies. Acknowledgements . 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 .