Contents 1. Introduction 1.1 History 1.2 What Does a Wildlife Biologist Do? 2. Soil as a Factor 2.1 Mechanical Weathering. Frost Action Insolation Unloading. Saline Crystal Growth Root Wedging 2.2 Chemical Weathering Relation of Disintegration to Decomposition Processes of Chemical Weathering Hydrolysis Carbonation Oxidation Hydration Solution 2.3 Biochemical Weathering 2.4 Rates of Weathering Role of Climate Parent Rock Acid Rain 12.12 Endotoxins CONTE BO he 12.12.1 Endotoxin Structure and Function 12122 Limulus Assay for Endotoxina 12 13 Virulence and Attenuation.... 12.14 Interaction of Pathogens with Phagocytic Cells 12.14.1 Blood and its Components 12.14.2 Phagocytes 12.14.3 Phagocytosis 12.14.4 Oxygen-dependent Phagocytic Killing. 12.14.5 Leukocidins 12.14.6 Capsules and Phagocytosis 12.15 Growth of the Pathogen Intracellularly 12.16 Inflammation 12.16.1 Fever 12.17 Chemotherapy. 12.17.1 Drug Distribution and Metabolism in the Body 12.17.2 Drug Toxicity 12.17.3 Testing of Antimicrobial Agents in vivo 12.17.4 Antibiotics Resistance 12.17.5 Clinical Uses of Antimicrobial Agents