Can one humanoid species evolve to live at an altitude where another, similar species could not survive?

It seems that people who live at very high altitudes have demonstrably "thicker" blood, highly concentrated with red blood cells to overcome the low concentration of oxygen in the air. Moving between extremes of altitude apparently needs to be done gradually for the same reason.

Two (or more) humanoid species, in many ways biologically similar/compatible. One species lives almost exclusively in an isolated location at a very high altitude. One or more other species live in a variety of environments.

Is it plausible for species A to survive as such a height that members of species B were guaranteed not to survive in? Phrased differently, is it possible for a species to live in a habitat so extreme as to be radically socially isolating?

is a duplicate

This question has been asked before and has already been answered. It should be marked as a duplicate.

Please enter the URL of the proposed duplicate in the details field below.

not constructive

This question cannot be answered in a way that is helpful to anyone. It's not possible to learn something from possible answers, except for the solution for the specific problem of the asker.

Communities

Can one humanoid species evolve to live at an altitude where another, similar species could not survive?

0 comment threads

0 answers