n.[生]系枝發(fā)生;分枝進(jìn)化
Cook seems to have been the first to coin the term \'speciation\' for the splitting of lineages or \'cladogenesis,\' as opposed to \'anagenesis\' or \'phyletic evolution\' occurring within lineages. 這一術(shù)語(yǔ)與發(fā)生在世系內(nèi)的“前進(jìn)演化”或“種族的進(jìn)化”這些提法相抵觸。