Of these, 99% belong to Pterygota, which have acquired wings, while the remaining 1% consist of primitive groups collectively known as Apterygota. Apterygota, which have not yet evolved wings ...
Of these, 99% belong to Pterygota, which have acquired wings, while the remaining 1% consist of primitive groups collectively known as Apterygota. Apterygota, which have not yet evolved wings ...