In the Bachelor's program in Biology, you will quickly learn the fundamental knowledge of all biological disciplines. The pocket textbook series on biology supports you in this and provides a solid understanding of biological relationships and principles. Bacteria, archaea, viruses, and fungi - the diverse methods of microbial energy production and biosynthesis are clearly presented, as are the molecular and genetic processes that give microorganisms their remarkable adaptability, their significance for global material cycles, and their application in microbial biotechnology. The didactic concept makes reading enjoyable: summaries at the beginning of each chapter introduce the text and provide an initial overview. Concise yet comprehensible texts with many highlights are easy to grasp. Color-coded sections provide information.