Which of the following features is common in both humans and adult frogs?
A. Internal fertilization
B. Ureotelic mode of excretion
C. Nucleated RBCs
D. Four chambered heart
Answer:B
Which of the following features is common in both humans and adult frogs?
A. Internal fertilization B. Ureotelic mode of excretion C. Nucleated RBCs D. Four chambered heart