2024年1月23日

2分钟阅读

古代细胞进化成复杂大脑的漫画指南

“肛门是智慧的先决条件，”一位生物学家说

作者：Tim Vernimmen, Maki Naro& Knowable Magazine

Comic-style group of cells with big eyes and smiles, packed together into a spherical shape.

Maki Naro

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Comic section 2: Eventually, some cells evolved to specialize in cell-to-cell communication, leaving other jobs to other cells. This—or something like it—is how scientists imagine the first simple nervous systems came to be. But what’s the evidence? The oldest fossils with evidence of a nervous system date from the Cambrian period. But these nervous systems are too complicated to have been the first. Much simpler ones must have come earlier. How can we learn about those?

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鸣谢：Maki Naro（插图）和 Tim Vernimmen；灵感来自“Getting Nervous: An Evolutionary Overhaul for Communication，《遗传学年度评论》，2017年，以及“Evolution of Animal Neural Systems，《生态学、进化与系统学年度评论》，2017年。

本文最初发表于 Knowable Magazine，这是 Annual Reviews 旗下的独立新闻项目。注册 新闻通讯。

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