Answer :
Final answer:
The characteristic used to classify insects is their number of wings, specifically whether they have two pairs or just a single pair as observed in the insect order Diptera.
Explanation:
The characteristic used to classify the insects according to the provided information in question is C. number of wings. the Insects typically have two pairs of wings attached to the thorax segments T-2 and T-3. However, in certain orders, such as Diptera (to which flies belong), they have only a single pair of wings on segment T-2, with the third segment, T-3, bearing a pair of balancing organs called halteres. This key difference in the number of wings is a significant characteristic used for classification through the dichotomous key provided, which helps gardeners and others distinguish between various orders of insects.
Answer:
B. shape of wings
Explanation:
Insect, (class Insecta or Hexapoda), any member of the largest class of the phylum Arthropoda, which is itself the largest of the animal phyla. Insects have segmented bodies, jointed legs, and external skeletons (exoskeletons).
Higher classification: Hexapoda
