Fish Biology: Form and Movement
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Questions and Answers

What distinguishes fish from other vertebrates?

  • Absence of a neck
  • Presence of fins and scales (correct)
  • Respiration through gills
  • Elongated fusiform body
  • Which major group of fish is of no concern to fish farmers?

  • Rays and sharks (correct)
  • Super-order Teleosteii
  • Cartilaginous fish (Selachians)
  • Bony fish of Osteichthes
  • What forms the first barrier against microbial penetration in fish?

  • Fragile layer of cells
  • Transparent layer of cells (correct)
  • Mucus covering scales
  • Cornified layer of dead skin
  • Which super-order comprises the majority of present-day fish?

    <p>Teleosteii</p> Signup and view all the answers

    Where are fish scales located on the body?

    <p>Embedded in the dermis</p> Signup and view all the answers

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