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Answer 1

Write the characteristics of classes

1. Amphibia

Ans = Characteristics of Class Amphibia

• These can live both on land and in water.
• They are ectothermic animals, found in a warm environment.
• Their body is divided into head and trunk. ...
• The skin is smooth and rough without any scales, but with glands that make it moist.
• They have no paired fins.

2.Pisces

Characteristics of Pisces

• They are found in fresh, marine, and brackish water.
• The body is usually streamlined. ...
• Their body is divided into head, trunk, and tail.
• They swim with the help of their tail.
• Paired and unpaired fins represent the appendages.

Answer 2

Answer:

Hey buddy

answer is in fig.

Hope it's may prove helpful