Question

Why are frogs and toads known as vertebrates?

Answer 1

hello friend..... here you go....
Frogs have teeth; toads do not.Toads of both sexes have a rudimentary ovary called a bidder's organ. Frogs are also typically longer than toads. Also,frogs have smooth, slimy skin;toads have dry, bumpy skin.
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Answer 2

Explanation:

Amphibians - Amphibians are cold-blooded animals. They start out their lives living in the water with gills just like fish. Later they develop lungs and can move to dry land. Amphibians include frogs, toads, newts, and salamanders.