3 ms·
> It seems weird to have a whole separate organ for “make motor and cognitive skills work somewhat better.” Does it? I’d think this was an absolute gimme.
by taneq 3y ago
> It seems weird to have a whole separate organ for “make motor and cognitive skills work somewhat better.”
Does it? I’d think this was an absolute gimme.
- lostlogin 3y agoDo we have other examples of this? There is a second kidney, lung, eye etc, but a hot spare isn’t quite the same as a completely different structure.
- Jensson 3y agoYour stomach and intestines, they aren't all necessary but they help. And you can see their structure varying significantly in different animals. Or a tail, an entire extra limb just to keep balance a bit better. Or ears, you can hear without them but they help capture sound a bit better.