Refer to this portion of a dichotomous key for fish identification to answer the question.

1. (a) Has a single dorsal fin ® 5
   

BHas a double dorsal fin ® 2

1. (a) Has small fin on back near tail ® 6
   

BHas no fin on back near tail ® 7

1. (a) Has barbs near the mouth ® Catfish
   

BDoes not have barbs near the mouth ® 10A- What do the numbers after the arrows represent?B- the number of the question that should be considered nextC- the number of points that should be added to the organism’s identity totalD- the probability that the organism has the described characteristicE- the number of species that have the described characteristic