Intelligence is understood as the ability to solve cognitive problems.
The latter is related to a specific kind of information from the outside world but does not depend on changes in the environment. Evolution by Law New species, or subspecific types arise by heteromorph speciation. The ancestors of the San, living in richly endowed areas, looked exactly like the present-day desert dwellers. This shows that their paedomorphic traits are not, as formerly thought, an effect of adaptation to the arid environment. The homogenetic school considers adaptation to be a conservative rather than progressive factor in evolution.