 with the understanding that they are not phenotypic versions of Wright's original concept and that they are fraught with potentially misleading assumptions.Finally, Pigliucci calls for further research into morphospaces due to their heuristic value but also their ability to generate understandable and testable hypotheses.Adaptive landscapes represent populations (of biological entities) as a single point, and the axes correspond to frequencies of alleles or genotypes and the mean population fitness.