In Amphibia:

I: Skin is moist without scales
II: A tympanum represents the ear
III: Fertilization is external
 
1. Only I and II are correct 2. Only I and III are correct
3. Only II and III are correct 4. I, II, and III are correct
Subtopic:  Study of Amphibians |
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Which of the following is not a characteristic of Amphibians?
1. Most have two pairs of limbs and tail is present in some.
2. Alimentary canal, urinary and reproductive tracts open into a common chamber called cloaca which opens to the exterior.
3. Respiration is by gills, lungs and through skin.
4. The heart is two chambered with one atrium and one ventricle.
Subtopic:  Study of Amphibians |
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