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单词 Endosymbiote
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Endosymbiote

英语百科

Endosymbiont

(重定向自Endosymbiote)
A representation of the endosymbiotic theory
Comparison of chloroplasts and cyanobacteria showing their similarities.

An endosymbiont is any organism that lives within the body or cells of another organism, i.e. forming an endosymbiosis (Greek: ἔνδον endon "within", σύν syn "together" and βίωσις biosis "living"). Examples are nitrogen-fixing bacteria (called rhizobia), which live in root nodules on legume roots, single-cell algae inside reef-building corals, and bacterial endosymbionts that provide essential nutrients to about 10–15% of insects.

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