多细胞生物需要身体中大部分的细胞采取极大的达尔文牺牲，牺牲其本身的繁殖。
Multicellularity requires most of the cells in a body to make the supreme Darwinian sacrifice, by giving up reproducing.
同时细菌也没闲着，产生信号阻碍真菌的繁殖，阻止其从单细胞的形式转化成分枝的多细胞真菌。
The bacterium, meanwhile, produces signals that keep the yeast's growth in check, preventing it from transforming itself from a single-celled yeast into a branching, multicellular fungus.
单细胞或多细胞植物体的繁殖单位。
Spore a unicellular or multicellular plant reproductive body.
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