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  What is the importance and role played by each of the five class of the vertebra

  Posted by GODHULI on May 14, 2021 at 6:43 am

  What is the importance and role played by each of the five class of the vertebrates?

  • This discussion was modified 2 years, 11 months ago by  Kidpid.

  Edutuber replied 2 years, 11 months ago 2 Members · 1 Reply
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  Edutuber

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  May 15, 2021 at 7:49 am

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  Vertebrata is the main category in the kingdom animalia. Vertebrates are are divided into 2 major categories. Agnatha and Gnathostomata. Agnatha represents those organisms in vertebrae without jaw. Inside the agnatha there is a single class called Cyclostomata. (Don’t get confused with Gnathostomata) . The features of this class are they are parasites in fishes with 6-15 pair of gill slits with closed circulation. Another division of Vertebrata is Gnathostomata ,or organisms with jaw . It is divided into superclass pisces and Tetrapoda. Pisces are fishes or they bear fins while tetrapoda bears limbs. Pisces is divided to Chondrichthyes and Osteichthyes . Tetrapoda can be divided into 4 classes named amphibia , reptilia, aves and mammals. Chondrichthyes are cold blooded organisms while all others are warm blooded organisms

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