Please provide five characteristics of Class Amphibian and name the six orders within this class.

Here are the answers to your questions about Class Amphibian:

1. From the specimen provided, list Five (5) characteristics features of this class.

   • i. They are the earliest tetrapods that successfully descended and partially colonised land.
   • ii. They possess four pentadactyle limbs supported by girdles.
   • iii. Their limbs are adapted for locomotion both on land and in water.
   • iv. Their skin is usually soft, glandular, and moist, lacking protective external scales.
   • v. Their fertilization is either external or internal, but they are mostly oviparous.

2. Name the six Orders in the class Amphibian.

   • i. Anura (frogs and toads)
   • ii. Caudata (salamanders and newts)
   • iii. Gymnophiona (caecilians)
   • iv. Temnospondyli (an extinct group of early amphibians)
   • v. Lepospondyli (an extinct group of early amphibians)
   • vi. Aïstopoda (an extinct order of snake-like amphibians)