The species is the basic unit of ____. Members of the same ____ are similar to each other but ____ to members of other species. They have similar ____ and so resemble each other physically and ____. They have similar patterns of ____ and similar ____ features. They occupy the same ecological ____ and are capable of ____ and producing ____ offspring – they belong to the same gene ____.

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?