Answer     DID stands for Direct Inward Dial. Also know as DDI, Direct Dial In. It is when a phone on a private telephone switch can be dialled directly from a â¦ ny phone in the world. The last few digits of the number dialled are know as the DID number. For example, a telephone extension number 4400 might be dialable from anywhere as +35318784400. 8 people found this useful.
1. (Biology) biology. a. any of the taxonomic groups into which a genus is divided, the members of which are capable of interbreeding: often containing subspecies, varieties, or races. A species is designated in italics by the genus name followed by the specific name, for example Felis domesticus (the domestic cat).
In biology, a species (abbreviated sp. , with the plural form species abbreviated spp. ) is one of the basic units of biological classification and a taxonomic rank. usable definition of the word species and reliable methods of identifying particular species are essential for stating and testing biological theories and for measuring biodiversity, though other taxonomic levels such as families may be considered in broad-scale studies.