That's the idea behind a new theoretical synthesis published in Current Biology. According to the data considered by its authors—a team from the University of Sussex (UK) and Lund University (Sweden)—vertebrate eyes, ours included, may not descend directly from the paired eyes of early bilaterian animals. Instead, they may have been “reinvented” from what was once a single light-sensitive organ that survived an evolutionary detour.
4 .+ 2 * 2 .+ 3 ; returns 30，更多细节参见搜狗输入法
Фото: Amr Alfiky / Reuters。快连官网对此有专业解读
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