Word Origin and History for evolve Expand. v. 1640s, to unfold, open out, expand, from Latin evolvere to unroll, especially of books; figuratively to make clear, disclose; to produce, develop, from ex- out (see ex-) + volvere to roll (see volvox).
The largest of the ants, and the heaviest species of the order, are the females of Dorylus helvolus, reaching a length of 5 cm (2.0 in). The ant that averages the largest for the mean size of the whole colony is Dinoponera gigantea, averaging up to 3.3 cm (1 1â4 in). Another ant that is native to Australia, Myrmecia brevinoda, workers are reported to be 3.7 cm (1.5 in) on average and queens are more than 4 cm (1.6 in) in length.
Discover more about the structured social system of ants. With around 13,000 species worldwide, ranging in length from less than 1mm to 30mm, it's probable their weights vary greatly-though most experts seem to agree the average weight of an ant is less than 10mg. But no-one knows how many ants there are in the world. The BBC Four documentary claims they number not 10,000 trillion but 100 trillion, though it still suggests the total weight of ants equals the total weight of humans.