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Total 32 results were found for your query shark.

  • Zoology

    COMPARATIVE ANATOMY: PECTORAL GIRDLE OF FISH AND FROG

    ... ANATOMY: PECTORAL GIRDLE OF FISH AND FROG Shark (Scoliodon) - Pectoral Girdle Frog (Rana) - Pectoral Girdle 1. Pectoral girdle is present in the body wall muscles below the last branchial ...
    Created on 09 July 2017
  • Zoology

    COMPARATIVE ANATOMY: RESPIRATORY ORGANS OF FISH (SCOLIODON) AND FROG (RANA)

    Scoliodon (fish) is a poikilothermic cartilaginous fish. It is commonly known as shark. Rana (frog) is an amphibian and poikilothermic animal. It is commonly called as frog.   Living cells require ...
    Created on 09 July 2017
  • Zoology

    COMPARATIVE ANATOMY: DIGESTIVE SYSTEM OF BIRD, MAMMAL AND REPTILE

    ...  In previous topic we discussed about the comparative anatomy of digestive system of frog and shark. In this topic we discussed about the comparative anatomy of digestive system of Bird, Mammal and Reptiles. ...
    Created on 09 July 2017
  • Zoology

    COMPARATIVE ANATOMY: INTEGUMENT IN REPTILES, BIRDS AND MAMMALS

    ... thin and delicate all over the body except on sharks and feet where it is thick and produce epidermal scales. 2. The epidermal cells form into four layers - Stratum corneum, S. lucidum, S. granulo sum  ...
    Created on 08 July 2017
  • Zoology

    COMPARATIVE ANATOMY: INTEGUMENT IN SCOLIODON AND RANA

    COMPARATIVE ACCOUNT OF THE INTEGUMENT (SKIN) IN THE SCOLIODON (SHARK FISH) AND RANA (FROG) Scoliodon and Rana are poikilothermic animals. Scoliodon is an aquatic cartilage fish. Rana lives in water ...
    Created on 08 July 2017
  • Zoology

    AMPULIAE OF LORENZINI IN FISHES

    On the upper and lower surfaces of the head a number of tin- branched structures are present. They are called ampullae of lorenzini. Each ampulla contains two parts.   Expanded ampullary sac and ...
    Created on 30 June 2017
  • Zoology

    INTERNAL EAR OF SHARK (OR) MEMBRANOUS LABRYTH

    It lies in the auditory capsule of the skull. It is useful for maintenance of equilibrium. In the fish external and middle ears are absent. Internal eats covered by cartilaginous labyrinth. A space is ...
    Created on 30 June 2017
  • Zoology

    CLASPERS IN SHARKS

    In male shark claspers are present. The claspers are rod like copulatory organs present on the inner borders of the pelvic fins. They are supported by carfilages. Each clasper has a groove on its dorsal ...
    Created on 30 June 2017
  • Zoology

    OLFACTORY LOBES IN SHARKS

    In Scoliodon the olfactory lobes are olfactory organs or nasal sacs.   They are present in the olfactory sacs of cranium. They develop from the ectoderm. They open out through the exterior by external ...
    Created on 30 June 2017
  • Zoology

    CLASSIFICATON OF PISCES (FISHES)

    ...    Gill slits on the lateral sides of the body. Pectoral fins are distinct. It includes sharks and dog fishes.   Ex: Scoliodon, Sphyrna (Hammer headed shark), Stegostoma (Tiger shark).   ...
    Created on 29 June 2017
  • Zoology

    GENERAL CHARACTERS OF FISHES (PIECES)

    ... well developed. In the intestine of shark scroll valve Is present. The nervous system contains brain and spinal cord. Brain is small & it will not occupy the entire cranial cavity. 10 pairs of cranial ...
    Created on 29 June 2017
  • Zoology

    "LARGEST" FACTS IN ZOOLOG

    ... fish — Rhinodon typus (1 8m, 9000 ibs) Largest carnivore fish — White shark Largest coral reef — Great barrier reef Largest breed of dog — St Bernard 130 kg Largest invertebrate — Giant squid Largest ...
    Created on 24 June 2017
  • Zoology

    ECONOMIC IMPORTANCE OF FISHES

    ... FISH BY-PRODUCT   Fish Oil: From the liver of the many fishes oil is extracted.   A. Cod liver oil: It is extracted from the cod fishes.   B. Shark liver oil: It is extracted from the liver ...
    Created on 13 June 2017
  • Zoology

    FRESH WATER FISHES IN AQUACULTURE

    ... but captured at 90 cm. length. Two pairs of barbells are present on the head. Mouth is large with large jaws having teeth for feeding on fresh water. Hence it is called fresh water shark. As it is a predator ...
    Created on 13 June 2017
  • Zoology

    ZOOGEOGRAPHY: ETHIOPIAN REGION

    Zoogeographers divided the earth into different zoogeographical regions. Ethiopian region is one among them. In this realm Africa, Sahara desert, Southern part of Arabia, Madagascar Island are included. ...
    Created on 12 June 2017
  • Zoology

    COMPARATIVE ANATOMY

    ... detailed discussed in simple words.   COMPARATIVE ANATOMY: INTEGUMENT IN FISH AND FROG COMPARATIVE ANATOMY: INTEGUMENT IN REPTILES, BIRDS AND MAMMALS COMPARATIVE ANATOMY: FROG AND SHARK DIGESTIVE ...
    Created on 08 June 2017
  • Zoology

    VERTEBRATES

    ... IN SHARKS CLASPERS IN SHARKS INTERNAL EAR OF SHARK (OR) MEMBRANOUS LABRYTH AMPULIAE OF LORENZINI IN FISHES   AMPHIBIANS   AN INTRODUCTION TO AMPHIBIANS GENERAL CHARACTERS OF AMPHIBIA ...
    Created on 07 June 2017
  • Zoology

    COMPARATIVE ANATOMY: RABBIT AND FROG DIGESTIVE SYSTEMS

    SIMILARITIES AND DIFFERENCES IN DIGESTIVE SYSTEM OF MAMMAL (RABBIT) AND AMPHIBIAN (FROG) Table 325.1: Similarities and differences between the digestive system of the mammal and amphibian Rabbit ...
    Created on 20 May 2017
  • Zoology

    VITAMINS AND MINERALS

    ...  Synthesized in skin from cholesterol by UV light. Also known as 'sunshine vitamin' or 'anti ricket vitamin'. Good source - Meat, liver and milk. Cod liver and shark liver oil, good soruce for both ...
    Created on 20 May 2017
  • Zoology

    COMPARATIVE ANATOMY: FROG DIGESTIVE SYSTEM AND SHARK DIGESTIVE SYSTEM

    Comparison Of Digestive System Of Shark Fish (Scoliodon) With Digestive System Of Frog (Rana - Amphibian)   Scoliodon is an aquatic cartilage fish, Rana is an amphibian. Scoliodon is a carnivorous ...
    Created on 18 May 2017