自然科学与进化话题词汇 — 英语词汇题

In a research report on species change, a scientist writes: "Over generations, s…

Which word best completes the sentence: Fossils provide valuable ______ of how s…

根据首字母及中文提示补全单词，每空一词：1. Scientists collec…

A region is described as having a wide range of different living species. Which …

A scientist compares two generations of beetles and finds that a new, heritable …

根据中文提示补全单词：Scientists study how living things change over …