In which question would a dichotomous key be used?


Answer: – Is the insect’s antennae longer than its head? Is the right response. By posing a sequence of yes-or-no questions, a dichotomous key is a device for identifying organisms. The objectives of the questions are to eliminate all other options, leaving only one. If the answer to the question “Are the insect’s antennae longer than its head?” is yes or no, it will help to reduce the range of possible insect species.


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