Question

Why are Amphibians unsuccessful vertebrates?

Answer 1

Ans = They are said to be unsuccessful land vertebrates because they failed to adapt completely to the land environment.
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Answer 2

Answer:

Amphibians are unsuccessful vertebrates because there are several land habitats to which they have failed to adapt.

Explanation:

• Small animals called amphibians require water or a moist environment to exist.
• This group of species includes newts, salamanders, toads, and frogs.
• All have extremely thin skin that allows them to breathe and absorb water.
• Additionally, amphibians have unique skin glands that create functional proteins.

• Amphibians can't control their body temperature because they have chilly blood.
• They require water to lay eggs.
• Since their eggs lack a shell, they could dry up on land and end up being wasted.
• Their skin is completely bare and has no external covering.

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