this post was submitted on 22 Oct 2025
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Science Memes

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[–] ada@piefed.blahaj.zone 25 points 10 months ago (1 children)

The opening line of that wikipedia article says they're "equivalent to sexes in multicellular lifeforms"

[–] powerstruggle@sh.itjust.works 36 points 10 months ago (1 children)

Right, "equivalent to" in the sense that legs are "equivalent to" fins in that they provide locomotion.

[–] halcyoncmdr@lemmy.world 14 points 10 months ago

I mean, they are just for different environments. Fins aren't very useful for terrestrial animals, and legs aren't as useful for aquatic animals. Both provide similar functions suited to their environment, and are therefore roughly equivalent.