Processes and history : Introduction: the development of concepts in the study of human variation -- The genetic basis of evolution / Dobzhansky -- Charles Lyell / Eiseley -- Charles Darwin / Eiseley ...
A timeline of the spider fossil record -- Fossils -- Living fossils -- Chance and change -- Outward and upward -- Triumph over thin air -- Small changes, big benefits -- Spinning, running, jumping, ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果