Tuzemák, formerly called Tuzemský rum (domestic rum), is a traditional Czech alcoholic beverage which originated in Austria-Hungary as a cheap substitute for rum. It is produced by flavouring ethanol with rum ether, sugar and vanillin. In…
Allen´s rule is besides Bergmann´s rule one of the topics connecting zoology and ecology in science teaching. It states that warm-blooded animals living in cold climates have shorter limbs and body appendages than similar animals living in…
Food intake belongs to fundamental manifestation of animals. In aquaria can be presented various types of food specialization. Filter-feeding activity can be presented in bivalve mollusks (e.g. zebra mussel //Dreissena polymorpha//)…
Cultural monuments are one of the most important sources of knowledge of all generations and are considered to be unchangeable values of the past. It represents a unique value that goes beyond national borders and is important to the…