Gene flow The movement of alleles within and between populations of the same species through interbreeding.基因流动:同一种群内由于杂交或种内选择使某一等位基因在该种群内扩散.A local, usually stable population of interbreeding organisms of the same kind ...
气温记录清楚无疑地证实了全球气候正在变暖。Temperature records have unequivocally confirmed the existence of global warming.许多人竟然不知道地球变暖的事实,实在令人担忧。Many people are worryingly ignorant of the facts about global warming.全球变暖是个严重的问题。Global warmin...