Morphological evidence of adaptive characters in the genus Homo

The fact that evolution took place within the genus Homo postulates special features on which the mechanisms of selection could act. Just through the last time a lot of publications are concerned with DNA substitutions through geochronological times (for example mitochondrial DNA) to reconstruct the phylogenetic tree of the species Homo. Unfortunately no comments are given on the adaptive character of these features.
Therefore the main attention of this paper is thrown on those characters that are :

1. responsable at the fossil remains,

2. provable at the next evolutionary step with special regard to the kind of their changes, and

3. able to make comparisons to features corresponding with features of known function in modern times.

By these conditions one can only reconstruct the way where evolution took place and which features are best adapted to their environment.

Inborn characters of behaviour in contrast to those which can be learned concerning the best adaptation to the social interactions of man within and between members of a group could be relevant, too. But these characters cannot be analysed in a stringed biological sence. That will mean that one cannot find a direct correlation between the behaviour and features that alter the morphology of the skeleton.

Therefore in this paper only morphological features of the human skeleton that can give some traceable informations about the adaptation to a special natural environment or activities will be analysed.