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That’s not how evolution works. Today’s horseshoe crabs may look very similar to their ancestors hundreds of millions of years ago, but that doesn’t mean they didn’t evolve. I know it’s just a meme and not that serious, but misconceptions about evolution seem to be very common and I think that’s a shame.
Apologies for ignorance, but what changed about them? Is it that they’ve been evolving over millions of years, which is why they can survive in today’s world (even though they look the same).
Basically that; I'd imagine their immune systems are more complex nowadays just because the threats are
Similar to how humans and apes have a common ancestor, the horseshoe crabs would have an ancestor which looked very similar to today's version, although slightly different, and some of them would have evolved into other things while some remained relatively unchanged.
As well, they look the same phycially but the DNA has changed significantly, potentially just internal things or chemical/biological processes etc.
This reminded me to sit up straight.
Except Nautili still exist today
Considering horses (and thus horseshoes) came way after the horseshoe crab, we really should rename the horseshoe to "crab shoe" or something and "horseshoe crab" to something else. Ideas welcome.
I’m in favour of renaming horses to crab feet.
Yeah I was gna say something like this - the crab is on the other foot, if you get my drift
Agree, they don't seems Horse shoes, they are not even crabs or crustaceos, Arrow Tail Scorpion or Spider would maybe the biological most exact name.
I see a trilobite and an ammonite in there, did those guys even leave any evolved descendants before they went extinct?
Yes, but those also went extinct.
this post was submitted on 15 Aug 2025
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