一道英文生物选择题,关于进化和物种多样性,在线等,急!The process that creates most of the observedgenetic variation in a population is ____________while ______________ is/are the original sourceof the genetic variation.A. Natural

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/14 16:10:59
xTn@XH譽wmDl6i&MBhA#ZURPzw͉_&[}ڝy399j I]Jzڢ^"ɥoYfJ0N+jm)DOO^dȊF Z ^C*KKfD H9@{HD^xMDDA\vvW!^e,ZR %V=A䳠J9%fʄcaxk9r;Jufۈ7bcܨ pc2z*ʢ ~Ns1ZQ(5s.:eW0g"  s%qt`߁31uevtIS'F#8ϬaxxȮ@?Gw^ X\>o.ܰHODaL7y#1`Ryҫ{ͯK A,F'/E(/{2/Fgdpţӹ':E'Y1\r\;Zkɉ]Ԏ5x?IЃ_+V|gK\s,&YvYyVRHlOW_ZkF5n X]F| ;U%S{~^