We are surrounded by a world that is plenty of dimensions. The human body as well is understood in terms of dimensions.Each domain focuses on a given area of knowledge. Hence, it uses some specific dimensions. However, as the different domains and specialties have proved a sort of Interdisciplinarity, researchers and scientists tend to use resources from different domains in order to conduct their researches. In this unit, we will tackle the word dimension in the context of geography. Well, you definitely wonder about the relationship between biology and geography. Then, you are invited to check the conception of biogeography.