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Amphibians
(lat. Amphibia):
Typically,
amphibians have pentdactyle limbs and they are ectothermal vertebrates like
reptiles with soft glandular skins. There life cycle has an aquatic larval
stage which most changes to an air-breathing adult via metamorphosis. The
eggs are not like the reptile eggs shelled and laid on land but some species
have evolved a variety of structural and other modifications.
The
amphibians are split into 3 groups:
- Frogs
and Toads (Order Salientia)*
- Newts
and Salamanders (Order Caudata)
- Worm-like
burrowing animals (Order Gymnophiona)
* This
is the only order that can be found in Australia
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