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 ® 10What do the numbers after the arrows represent?
Answer
A
the number of the question that should be considered next
B
the number of steps remaining before the organism is identified
C
the number of questions that need to be answered
D
the number of species that have the described characteristic