Animal kingdom
262280
Choose the wrong statement
1 Teeth in Chondrichthyes are modified ctenoid scales
2 Air bladder in fishes regulates buoyancy
3 In amphibians, the tympanum represents the ear
4 Long bones in birds are pneumatic
5 Reptiles are poikilotherms
Explanation:
The mouth of the members of class chondrichthyes is located ventrally and the teeth are modified placoid scales.