Dynamic organization. General concepts. Dynamic organization in cellular systems. Rhythms as a fundamental property of biological systems. Symmetry in dynamic biological organization. Dynamic organization in biologically oriented artificial systems. Living cells under the perspective of dynamic organization. Supramolecular structure and enzyme catalysis: the groundplan of living cells. Spatio-temporal regulation of glycolysis and oxidative phosphorylation in vivo. About the dynamic behaviour of microorganisms. Dynamics of cell growth and division. Spatio-temporal coordination of cellular energetics and metabolism during development. Cell growth and differentiation from the perspective of dynamics and thermodynamics of cellular and subcellular processes. Dynamic coupling and spatio-temporal coherence in cellular systems. Conclusions and outlook. Models, facts and biological complexity.