this post was submitted on 29 Oct 2024
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Science Memes

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Colours of Blood (mander.xyz)
submitted 1 week ago by [email protected] to c/[email protected]
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[โ€“] [email protected] 5 points 1 week ago (1 children)

Thanks so much for the deep dive. I love learning from such concise facts.

To add, also @[email protected] : There is only one known species of vertebrates without hemoglobin. The Crocodile Icefish, it once had it in its blood and lost some genes to synthesize it. The debate about why is still ongoing, with the currently favored theory that they adapted to a high oxygen and low iron environment.

[โ€“] [email protected] 3 points 1 week ago

Thanks for the callout and link! ๐Ÿ™๐Ÿฝ

Nature is fascinating.