Question

Describe neoteny in Amphibia.

Answer 1

Neoteny in Amphibia. ... A well known example is the Axolotl (Ambystoma mexicanum) also called Mexican salamander; this amphibian is like a common caudata larvae, but sexually mature, therefore shows external gills for the aquatic respiration but also developed gonads.

Answer 2

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In the animal world there is a very curious phenomenon, that cause the persistence of juvenile and adult characteristics together. This condition is call “neoteny”.

This word derived fromGreek neos "young" + teinein "to extend", sometimes it’s also called “Paedomorphosis” that means “youthful appearance”.