Question: what are the 5 characteristics of amphibians?
Answer: Unshelled Eggs. Living amphibians produce much different eggs than strictly terrestrial organisms like reptiles do. ... 
Permeable Skin. While caecilians have scales similar to fish, most other amphibians have moist, permeable skin. ... 
Carnivorous Adults. ... 
Distribution. ... 
Courtship Rituals.