Question

which question would be asked in a dichotomous key?
○ how long are the insect’s antennae?
○ are the insect’s antennae longer than its head?
○ are the insect’s antennae long or short?
○ how does the insect use its antennae?

Explanation:

A dichotomous key uses questions with two possible (yes/no or either/or) answers. "Are the insect’s antennae longer than its head?" is a yes/no question, fitting dichotomous key structure. Other options: "How long..." is open - ended, "long or short" has two options but is more about description choice, and "How does..." is about function, not dichotomous classification.

Answer:

B. Are the insect’s antennae longer than its head?