this post was submitted on 28 Nov 2023
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The only way we'll 100% know what dinosaurs looked like, is if we start cloning some of em.
Everything else is just best educated guess.
I read somewhere that the oxygen concentration was much higher back then to a point where dinosaurs would not be viable in today’s atmosphere. They would have to stay in air tight enclosures. In a way that makes me feel safer about bringing them back. OH NO THE RAPTORS ESCAPED…. aaaand they suffocated. They’re dead now.
That’s very likely true for insects and other creatures that don’t actually have lungs, and dubiously true for things with lungs. It certainly may have influenced their size to some extent but scientists far smarter than me have no reason to suspect they wouldn’t be able to breathe today.