Refer to this portion of a dichotomous key for fish identification to answer the question.
1....
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 ® 2
5. (a) has small fin on back near tail ® 6
(b) has no fin on back near tail ® 7
6. (a) has barbs near the mouth ® catfish
(b) does 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
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