1. It is a point and disputed issues in the field of evolutionary biology in the past 100 years. 在过去的100多年中这个问题一直是生物学研究领域的一个热点、难点。
2. A "living fossil" of the species occur in a long-line forward evolution happened, was no evolutionary branches. “活化石”是在种系发生中的某一线系长期未发生前进进化,也未发生分支进化。
3. DURING THE EVOLUTIONARY process, we must efficiently evaluate the fitness of thousands or millions of offspring in each generation. 在演化过程里,我们必须对每个世代中成千上万的后代,进行有效的适应度评估。
英英解释
adj.
1. of or relating to or produced by evolution