All living flowers ultimately derive from a single ancestor that lived about 140 million years ago, a study suggests. 一项研究表明,地球上现存的所有花卉都起源于1.4亿年前的同一个“祖先”。 Scientists combined models of flower evolution with the largest data set of features from living flowers ever assembled. 科学家将花卉演化的模型与最大的现存鲜花的特征数据集组合在一起。 From this the team was able to infer the appearance of the ancestral flower. 该研究团队据此推测出鲜花始祖的样貌。 |