the.com/symbiosis

two organisms deciding rent is cheaper than going it alone.

means A close, long-term biological relationship between two different species, which may benefit both, benefit one, or harm one of them.

from From Greek symbiosis, "living together," built from syn- ("together") plus bios ("life") — the same bios that powers biology and biography. It entered scientific English in the late 19th century when biologists needed a word for species cohabiting, and it has roomed with us ever since.

your cells
mitochondria were once free-living bacteria you swallowed
lichen lie
it's fungus and algae faking one organism
deep sea
anglerfish males fuse permanently into their mates
coined 1879
botanist De Bary named the cohabitation game
gut deal
microbes outnumber your own cells living rent-free
for instance

clownfish and sea anemone — clownfish live among anemone tentacles for protection while removing parasites, found in coral reefs throughout the indo-pacific

oxpeckers and african mammals — oxpecker birds eat ticks and parasites off zebras, buffalo, and rhinos in east and southern africa

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