One of the major questions in the evolution of animals is the transition from unicellular to multicellular organization, which resulted in the emergence of Meta

In the 17th century, Descartes put forth the metaphor of the machine to explain the functioning of living beings. In the 18th century, La Mettrie extended the m

This reference work breaks new ground as an electronic resource. Utterly comprehensive, it serves as a repository of knowledge in the field as well as a frequen

Man develops during phylogenesis and ontogenesis as an active creature and his most striking external manifestations include physical activity. From this ensue