Science Memes

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A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.

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sexy time (mander.xyz)

submitted 3 weeks ago by [email protected] to c/[email protected]

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[–] [email protected] 36 points 3 weeks ago (2 children)

Bed bugs use a process called traumatic insemination to reproduce. The male breaks the female’s shell to inject sperm into a cavity called the hemocoel. It travels around the bed bug’s ‘bloodstream’ to the ovaries and fertilizes the eggs. The female will then leave to find another harborage and lay eggs for 6-8 weeks after mating just once.

For those who don't know.

[–] WatTyler 8 points 3 weeks ago (1 children)

Evolutionary, what advantage could this possibly hold?

[–] [email protected] 9 points 3 weeks ago* (last edited 3 weeks ago)

As a whole? Basically none. It's advantageous for the males though, it's something that evolved in a context of sexual conflicts (males and females have contradictory evolutionary optima). Here the males advantage is to have a many mates as possible while the female is advantaged by being choosy regarding its mate(s).

Evolution is not always about optimising things for a whole species.

[–] [email protected] 1 points 3 weeks ago

For more examples.