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Q&A Mutually beneficial digestive system symbiotes

On an Earth-like planet, an intelligent species evolved in symbiosis with another species that lives in their digestive system and act as the microbial gut flora in humans do. What implementations ...

3 answers  ·  posted 5y ago by Halhex‭  ·  last activity 4y ago by Halhex‭

Question biology insectoid creature-design food