Does Darwinianselection take place at the level only of individuals, or of groups as well?
达尔文选择是只发生在个体水平上，还是整体水平上呢？
2
And that controversy leads to another one. Does Darwinianselection take place at the level only of individuals, or of groups as well?
争论最后集中到这样一个问题上，达尔文的物竞天择究竟是只发生在个体层面上，还是在群体层面上依旧有效。
3
Using phrases like "Darwinianselection" or "Darwinian evolution" implies there must be another kind of evolution at work, a process that can be described with another adjective.