As Robert Richards explains: If animals entered a new environment—or their old environment rapidly changed—those that could flexibly respond by learning new behaviors or by ontogenetically adapting would be naturally preserved.
Como explica Robert Richards: Se os animais chegan a un novo ambiente — ou o seu vello ambiente cambia rapidamente — aqueles que puideron responder flexiblemente aprendendo novos comportamentos ou adaptándose ontoxeneticamente serían preservados naturalmente.