| 释义 |
Saltatory evolution
| (Biol.) | a theory of evolution which holds that the transmutation of species is not always gradual, but that there may come sudden and marked variations. See Saltation. |
See also: Saltatory saltatory evolution
sal·ta·to·ry ev·o·lu·tionthe theory that evolution of a new species from an older one may occur as a large jump, such as a major repatterning of chromosomes, rather than by gradual accumulation of small steps or mutations. Compare: emergent evolution. sal·ta·to·ry evo·lu·tion (sal'tă-tōr-ē ev'ŏ-lū'shŭn) The theory that evolution of a new species from an older one may occur as a large jump, such as a major repatterning of chromosomes, rather than by gradual accumulation of small steps or mutations. |