达尔文未及,科学新知不断涌现,生命奥秘无穷无尽。屌丝骑士
更新时间:2025-12-01 07:22:13 | 人气:159607 | 作者:江非阳, |
Earth teems with a staggering variety of animals, including 9,000 kinds of birds, 28,000 types of fish, and more than 350,000 species of beetles. What explains this explosion of living creatures—1.4 million different species discovered so far, with perhaps another 50 million to go? The source of life's endless forms was a profound mystery until Charles Darwin brought forth his ... (展开全部)