The historical development of the concepts of genealogy, phylogeny, monophyly and polyphyly is briefly reviewed.
历
地

谱系、系统发育、单系、多系概念的由来
发展。
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提升小技巧 I may have got that wrong but hopefully I'll have more success recapping some of today's vocabulary-starting with decay, which describes the natural process of something being destroyed or breaking down into small particles-which plastic takes a long time to do.
也许
是答错了,但是

成功地回顾今天的一些单词——从腐蚀开始,这个词描述的是某个东西被破坏或分解成小分子的自然状态——塑料的腐蚀过程需要很长时间。