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Penguins ❤️
(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.
Rules
Probably not quite that old. Sexuality probably developed in the Proterozoic as a means of diversifying reproductive burden and offsetting parasites.
Multicellular life predates this by quite a bit.
So homosexuality likely dates back to the Proterozoic Era when the sexes where largely dimorphic and prone to shift as needed. Life ... uh, finds a way.