Refer to this portion of a dichotomous key for fish identification to answer the question.1. (a) Has a single dorsal fin ® 5 (b) Has a double dorsal fin ® 25. (a) Has small fin on back near tail ® 6 (b) Has no fin on back near tail ® 76. (a) Has barbs near the mouth ® Catfish (b) Does not have barbs near the mouth ® 10According to this dichotomous key, any catfish must have
A
a double dorsal fin, a small fin on the back near the tail, and barbs near the mouth.B
a single dorsal fin, no small fin on the back near the tail, and barbs near the mouth.C
a double dorsal fin, a small fin on the back near the tail, and no barbs near the mouth.D
a single dorsal fin, a small fin on the back near the tail, and barbs near the mouth.