Joined: Oct. 2006
Acquiesce needs to understand the concept of a niche
"...how can NS direct for higher complexity whilst simultaneously selecting for lower fitness?", asked about five thousand times whilst ignoring Bob OH's answers.
The answer, Acquiesce, is that the environment is not uniform and 'fitness' is not a static variable. Variation may select for higher complexity (or lower complexity) if this allows an organism to colonise an available niche. So long as high complexity niches are available, high complexity organisms will evolve to fill them. Low complexity organisms will be less fit in these niches.