Why does ectomorph typed body exist ?

i mean, ectomorph means you are thinner, have a faster metabolism (so you have to eat more often) and have more difficulties gaining muscle and streng

i mean, ectomorph means you are thinner, have a faster metabolism (so you have to eat more often) and have more difficulties gaining muscle and strength. In an "evolutive" point of view (i didn't find a better word sorry) this makes no sense. It doesn't seem to provide any biological advantage then WHY ?

or:i mean, ectomorph means you are thinner, have a faster metabolism (so you have to eat more often) and have more difficulties gaining muscle and strength. In an \"evolutive\" point of view (i didn't find a better word sorry) this makes no sense. It doesn't seem to provide any biological advantage then WHY ?


or:Simply because the do? It's genetics. From a macro-evolution perspective, a lot of things don't make sense. It's just simply how things are. That's one of the reasons I only believe in Micro-evolution.

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