The Class Amphibia is divided in three living orders: Anura, Urodela and Gymnophiona. Provide a detailed...

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Biology

The Class Amphibia is divided in three living orders: Anura,Urodela and Gymnophiona. Provide a detailed account of 1) thetypical life- cycle of an amphibian and 2) some specific patternsdistinct to each order. You should make reference to reproduction,development and behaviour to structure your answer.

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Amphibia is the class of tetrapoda which have aquatic larval stage and terrestrial adult stage They were the first tetrapods to evolve during devonian Tetrapoda is the superclass of four footed animals where the limbs are pentadactyl or with 5 digits CHARACTERISTICS Amphibia includes anamniotes without amnion poikilothermal or ectothermal animals cold blooded in which temperature of the body varies according to that of surroundings which live both in fresh water and moist soil Marine forms are absent Larval stage is fish like which is aquatic It has a tail for swimming Adults are See Answer

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