Question

What are the defining characteristics of amphibians?

Answer 1

Amphibians represent a group of vertebrates that require water to survive.

Amphibians

They are one of the major divisions of vertebrates along with fishes, birds, and mammals.

In addition to possessing the basic features of vertebrates, amphibians have the following characteristics:

• They are cold-blooded
• They can breathe through their skin as well as using lungs
• They need water for survival
• Reproduction is by laying eggs that are fertilized externally
• They are mostly carnivorous

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Answer 2

• Amphibians are vertebrates.
• Their skin is smooth and slimy.
• Amphibians breathe through their skin, as well as their lungs in some cases.
• Amphibians are cold-blooded.
• They have a complex life cycle (larval and adult stages).
• Many species of amphibians vocalize.