An insect belonging to the order Diptera, characterized by having two wings instead of the typical four found in most flying insects.
From Greek 'di-' meaning two and 'ptera' meaning wings. The term was coined in the late 18th century to describe insects with this distinctive two-winged structure, which was a notable adaptation for flight.
Flies are actually evolutionary ninjas—their two wings evolved from four, and they gained incredible maneuverability because of it. House flies can change direction faster than almost any other insect, which is why they're so hard to swat!
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