evolution resulting from small specific genetic changes that can lead to a new subspecies
microevolution详细解释
mi.cro.ev.o.lu.tion n.（名词）Evolution resulting from a succession of relatively small genetic variations that often cause the formation of new subspecies.微进化：由一系列相对较小通常能产生新的亚科的基因变异引起的进化 【引伸】 mi.croev.olu.tionar.y adj.（形容词）
