Pedestrian access to the Giantâs Causeway is free. However, if you wish to use any of the facilities at the site, including parking but excluding the Visitor Information service, the visitor experience charge will apply. Groups visits (min. 15 people) can pre-book by contacting (028) 2073 3419.
Hypothesis. Philip Zimbardo, the head of the Stanford prison experiment research team, hypothesized that inherent personality traits are primarily responsible for abusive behavior that takes place prison environments.
Postzygotic Barrier. Reproductive isolation mechanism that acts after the point of conception. Postzygotic reproductive barriers act after the point of production of the zygote, contrasting prezygotic barriers which instead act to prevent conception.This represents a fundamental difference because up to the point of conception no eggs have been wasted nor progeny.he mule is the classic example of a postzygotic barrier as they almost always display a reduced hybrid fertility, and this is despite the fact that mules are otherwise impressively robust animals. For more on this topic, see Wikipedia and Google. Contact web master.