Natural selection also explains many basic revulsions, such as the horrid smell of rotting meat, or fears, such as the fear of snakes or standing close to the edge of a cliff.
Dabiskā izlase izskaidro daudzas pretīguma sajūtas, kā, piemēram, riebumu pret puvušas gaļas smaku, vai bailes, kā, piemēram, bailes no čūskām, vai bailes no tuvuma aizas malai.