Which of the following has exoskeleton of scales and paired copulatory organ or penis? (UP-CPMT 2007)
A. Sharks
B. Lizards
C. Urodela
D. Urochordata
Answer:B
Which of the following has exoskeleton of scales and paired copulatory organ or penis? (UP-CPMT 2007)
A. Sharks B. Lizards C. Urodela D. Urochordata