Adaptation, PhysiologicalMetatarsalgiaUlnaAdaptation, BiologicalWeight-BearingHominidaeBiomechanical PhenomenaPhysical Conditioning, AnimalStress, MechanicalEvolution, MolecularBone and BonesPhylogenyAdaptation, OcularSelection, GeneticModels, BiologicalSpecies SpecificityMuscle, SkeletalMolecular Sequence DataRats, Sprague-DawleyTime FactorsDark AdaptationFigural AftereffectAdaptation, PsychologicalAcclimatizationBiological EvolutionPhotic StimulationAfterimageDental Marginal Adaptation