Assuming vertebrate is required, and digestive is required, and system is required, the following results were found.

  • PARASITIC ADAPTATIONS IN HELMINTHS

    Parasitic Helminthes flat worms in order to lead parasitic life they will show a number of morphological and physiological adaptations. I. Morphological Adaptations: In order to lead parasitic life many morphological adaptations are developed site 1)...

    By BS Media
  • DIGESTIVE SYSTEM OF HIRUDINARIA AND ITS ADAPTATIONS

    The digestive system of leech consists of a straight tube called alimen­tary canal and associated salivary glands. Alimentary canal: The alimentary canal of leech starts with mouth and ends with anus. It is divisible into the following parts. Fore gut...

    By BS Media
  • CHARACTERS OF VERTEBRATES

    Vertebrates show the following characters, besides the chordate characters. 1. PRESENCE OF ENDO AND EXO-SKELETON: Vertebrates include internal skeleton which is a notochord or vertebral column. Vertebrates contain exoskeleton, made by scales or dermal...

    By BS Media
  • GENERAL CHARACTERS OF BIRDS (AVES)

    AN INTRODUCTION TO AVES (BIRDS) Birds (AVES) are highly evolved vertebrates. In the Jurassic period of Mesozoic era the Birds first appeared. They evolved from Ornithischian dinosaurs of Reptilian group. In the cretaceous period the birds became...

    By BS Media
  • 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 energy for performing metabolic activities. This energy...

    By BS Media

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