/literature
+⧖I don't really get evolution. I mean I read this book, very interesting, but I don't really understand why every animal isn't intelligent. It seems like the most useful trait by far and one that would be easily selected for since smarter creatures would have a better survival rate. Random mutations of things like air-breathing lungs and wings would be way harder to select for. Let's talk wings for a second. Birds come from reptiles, I can buy that. But an animal can only fly if it has a lot goi…
I don't really get evolution. I mean I read this book, very interesting, but I don't really understand why every animal isn't intelligent. It seems like the most useful trait by far and one that would be easily selected for since smarter creatures would have a better survival rate. Random mutations of things like air-breathing lungs and wings would be way harder to select for. Let's talk wings for a second. Birds come from reptiles, I can buy that. But an animal can only fly if it has a lot goi…>>25582923 >Can it be quantified somehow, how expensive it is? Yeah, we literally quantify it in calories. Nervous tissue is fucking expensive to upkeep, and it's working 24/7, even when you're sleeping. Bigger brains are made up of more nervous tissue, and more complex brains require more calories to feed them. A pair of wings however aren't burning very much energy when you're not using them, because wings are just muscle tissue connected to bone. Studies have been done on selecting for intel…
⧖expiring <1d0/1 kept2w ago
⏱ 2w 👍 0
⬆ upvote 0
/literature
trying
closest
needs