Saltatory evolution



saltatory evolution n.
The theory that the 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.

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  • Saltatory spasm

    saltatory spasm n. A spasmodic affliction of the muscles of the lower extremities that causes a person to appear to jump when standing. Also called static convulsion.

  • Salt bath

    noun 1. (metallurgy) a bath of molten salts in which steel can be immersed to soak to a uniform and accurately maintained temperature as part of the process of heat treatment. Different salts are used for different temperatures



  • Saltbox

    noun 1. a box in which salt is kept. 2. a type of house found especially in New England, generally two full stories high in front and one story high in back, the roof having about the same pitch in both directions so that the ridge is well toward the front of the house. noun […]

  • Salt-box

    noun 1. a box in which salt is kept. 2. a type of house found especially in New England, generally two full stories high in front and one story high in back, the roof having about the same pitch in both directions so that the ridge is well toward the front of the house.



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