Which of the following is characteristic feature of fishes?
A. Tail and venous heart
B. Venous heart and gills
C. Epidermal scales and tail
D. Epidermal scales and gills
Answer:A
Which of the following is characteristic feature of fishes?
A. Tail and venous heart B. Venous heart and gills C. Epidermal scales and tail D. Epidermal scales and gills