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.
The goliath birdeater tarantula of South America is arguably the biggest spider in the world. Watch as one hapless mouse wanders into a spider's deadly trap, and see the unusual adaptations that make the goliath one of nature's deadliest ambushers. World's Largest Spider. The goliath birdeater tarantula of South America is arguably the biggest spider in the world. Watch as one hapless mouse wanders into a spider's deadly trap, and see the unusual adaptations that make the goliath one of nature's deadliest ambushers. They're the big, hairy spiders of our nightmares.