Which of the above characteristics would be most helpful in developing a classification system for the fish?
A.
body color and tail shape
B.
body color and number of fins
C.
number of fins and presence of scales
D.
presence of scales and tail shape
![Which of the above characteristics would be most helpful in developing a classification system for the fish A body color and tail shape B body color and number class=](https://us-static.z-dn.net/files/da6/08eac6a45334c635e478730346b8fc47.jpg)