The aim of the subjects is to introduce students with the basic concepts and relations in the disciplines of ecology, biology, botany, zoology and environmental geochemistry and geology. The biology is a comprehensive overview of basic information about living matter, its composition, structure and functions at different hierarchical levels. Environmental Geochemistry introduces the regularities of migration of elements in the Earth's crust and the environment. Botany is focused on the plant physiology, systematic botany and zoology acquaints students with the knowledge of the general characteristics of the animal kingdom, characterizes the fauna in Czech Republic and its position within Europe.