PART 1: THE HISTORICAL FRAMEWORK: EVOLUTION AS SCIENCE: Before Darwin -- Darwin and natural selection -- The arguments and the evidence for evolution -- PART 2: ORIGINS: THE ENORMITY OF TIME: The origins of cosmic structures and chemical elements -- Origin of Earth -- Molecules, protocells and natural selection -- From molecules to life -- Origins of ciells and the first organisms -- PART 3:THE ORGANIC FRAMEWORK: GENES CELLS AND DEVELOPMENT: Cell division, Mendelian genetics, and sex determination -- Chromosomes, mutation, gene regulation and variation -- Species, phylogeny and classification -- Genes and phylo genetic relationships -- Genes, development and evolution -- PART 4: THE ORGANISMS: THE DIVERSITY OF LIFE: Evolution of plants and fungi -- Animals and their origin -- Evolution among the invertebrates -- Chordate and vertebrate origins -- From water to land to air: amphibians and amniotes -- Evolution of mammals -- Primate evolution and the human origins -- PART 5: POPULATION AND SPECIATION: CHANGES WITHIN AND BETWEEN SPECIES: Populations and speciation: changes within and between species -- Populations, gene frequencies and equilibrium -- Changes to gene frequencies -- Structure and maintenance of populations -- From populations to species -- PART 6: EVOLUTION AND SOCIETY: PAST, PRESENT AND FUTURE; SOCIETY AND RELIGION: Cultural and human-directed evolution -- Belief, religion and evolution -- Glossary.