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.
Solution. 1  First we observe that the mass of the ant is in grams, where the mass of the elephant is in metric tons. We cannot compare the two masses as is, so we first convert them into the same units. 2  Each ant is 10^{â1} cm long, and we have 2 \times 10^9 ants total.