cladogenesis

cladogenesis读音音标

英 [klædəʊ\'dʒenəsɪs]

美 [ˌklædə\'dʒenɪsɪs]

cladogenesis意思解释

n.

系枝发生，分枝进化；

英英释义

Cladogenesis is an evolutionary splitting event in a species in which each branch and its smaller branches forms a \"clade\", an evolutionary mechanism and a process of adaptive evolution that leads to the development of a greater variety of sister species. This event usually occurs when a few organisms end up in new, often distant areas or when environmental changes cause several extinctions, opening up ecological niches for the survivors.