Question

Which among the following are the characteristics of Class Amphibia?

• A. Moist skin present for respiration
• B. Absence of external ear and presence of tympanum
• C. Presence of eye lids
• D. Presence of unpaired fins for swimming.

Answer 1

Answer: (A), (B), (C)

The correct options are
A Moist skin present for respiration
B Absence of external ear and presence of tympanum
C Presence of eye lids

Class Amphibia have moist and mostly permeable skin which helps in respiration. External ears are absent, instead, they have an appendage called tympanum. They are cold-blooded in nature as well. Eyes of amphibians are prominent with eyelids.