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Why were dinosaurs huge?
(lemmy.ml)
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this post was submitted on 28 Sep 2023
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At that point in Earth's history, the atmosphere was a lot more oxygen rich than it is now! This allowed all sorts of creatures to grow to immense sizes, like trees, insects and dinosaurs. Dinos like Brontosaurus probably grew large for the same reasons Giraffes did too. The best greenery is the one no one else can get to!
Recent evidence in the fossil record regarding giraffids suggests their necks did not evolve to be long for feeding purposes, but rather sexual selection / fighting for dominance with their necks and heads.
https://www.amnh.org/explore/news-blogs/research-posts/giraffe-neck-evolution
๐
Yeah, but what do giraffe women think about it?
Unless you're talking about circumference? Then maybe walrus women or elephant seal women should be consulted
In general no traits are selected for by feeding or whatever, if you can produce offsprings you're it. Sexual attractiveness > easier to get food.
You can't be attractive if you never reached the food and are now dead.
Why eat when you can just spawn, fuck and die. Like that mouthless butterfly or moth can't remember.
The moth still eats a shitton in its larva stage. You can't cheat physics ๐.
Not sure you got the oxygen part right. But I can say that since trees and animal breath each others exhaust, they won't both thrive due to atmospheric oxygen concentration.