techstepgenr8tion wrote:
Genetic health is genetic health, it manifests itself in different ways in different environments and like your saying
Sexual selection!==Natural selection
They linked but they are not the same.
I also said (maybe in another thread) that we made many adaptations through tools rather than physiological.
Another point is it was once though that the main idea of a species was to procreate as part of their survival. However we now know that it is possible for species to mate themselves to extinction, or indeed wipe all of life out in the process.