Amphibians are cold-blooded vertebrates. They have a backbone, and they maintain their body temperature through external means, such as laying in the sun. Amphibians spend part of ...
Amphibians include frogs, toads, salamanders and caecilians. The word means double life – many species spend part of their life in aquatic (water) and terrestrial (land) environments.
Characteristicsedit]. The superclass Tetrapoda is divided into four classes of
vertebrate animals with four limbs. Reptiles, birds ...
Learn about amphibians, reptiles and fish, including the California red-legged ...
To identify an animal as a reptile, it should have each of these characteristics:.
arose from the first vertebrates to make the evolutionary transition from living in water to living on land. This profile explores basic facts about amphibians
including how they are classified, what they eat, where they live and the characteristics
that mak... More »
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Amphibians are cold-blooded animals that possess backbones and display
features that lie between those of fish and reptiles. They spend time both in water
The three major amphibian clades -- frogs, salamanders and the worm-like
caecilians -- have each diverged greatly, but share several common
An amphibian is a class of animals that live their lives both in and out of water.
There are three orders within this class, the most common of...
Some general characteristics of amphibians are that they are cold blooded and
spend at least part of their lives in water. Unlike reptiles, they lack claws and their