Two major families of snakes account for most venomous snakes dangerous to humans. 1. The elapid family includes: 1  the cobras (Naja and other genera) of Asia and Africa; 2  the mambas (Dendroaspis) of Africa; the kraits (Bungarus) of Asia; 3  the coral snakes (Micrurus) of the Americas; and the Australian elapids, which include the coastal taipan ...
In the Southern United States as well as some parts of Canada and the United Kingdom, the crane fly is also sometimes called a daddy longlegs, according to The Burke Museum of Natural History and Culture. This distinctive bug, with six long legs and two large wings, is not a spider, nor an arachnid, but is an insect.n the Southern United States as well as some parts of Canada and the United Kingdom, the crane fly is also sometimes called a daddy longlegs, according to The Burke Museum of Natural History and Culture. This distinctive bug, with six long legs and two large wings, is not a spider, nor an arachnid, but is an insect.
Now compare them with the other fruit flies here. Short-Winged Flies Notice the shortened wings of these flies. Flies with vestigial wings cannot fly: they have a defect in their vestigial gene, on the second chromosome. These flies have a recessive mutation.Of the pair of vestigial genes carried by each fly (one from each parent), both have to be altered to produce the abnormal wing shape.ow compare them with the other fruit flies here. Short-Winged Flies Notice the shortened wings of these flies. Flies with vestigial wings cannot fly: they have a defect in their vestigial gene, on the second chromosome. These flies have a recessive mutation.