Students’ conceptions of animal classification are the subject of several investigations. In previous research the criteria of classification used by the students were generally neglected. In a constructivistic view of ...

A survey among the students of the Academy of Podlasie was carried out in order to examine their views on the significance of living organisms in nature and the ways in which the organisms are used by man. This paper ...

The main conclusion of the United Nations Conference on Environment and Development in 1992 (UNCED) was the necessity of immediate undertaking any activities to protect biological diversity (biodiversity). That Conference ...

All revolutions, be they scientific or social ones, are the results of changes of paradigms. And the advent of the concept of «sustainable development» in our societies is no different. The radical adjustments that must ...

The effects exerted by allelochemicals on physiological and metabolic processes have been widely treated in various publications on the subject. The key allelopathic impacts consist in plants releasing into the environment ...

In Lebanon, amber is found in more than 350 outcrops. It constitutes the oldest and most important amber with intensive biological inclusion. Formation of this amber corresponds to Lowermost Cretaceous, a period crucial ...

The article concentrates on the evolutionary aspect of biodiversity in proboscides (Proboscidea). Main evolutionary trends in this group include the increase in body size and teeth specialization due to spread of grasslands ...