Hailed for its clear writing, scientific accuracy, and real-world examples, Essential Biology is a brief non-majors biology text that focuses on the core concepts readers need to make scientifically informed decisions throughout their lives. The book covers four major topics–cells, genetics, evolution/diversity, and ecology–and uses evolution as an overarching theme to tie all 20 chapters together. Human applications and the most up-to-date information on important issues show readers how biology relates to their own lives. New Process of Science sections within the text draw readers into the material and provide real-world examples of how the scientific method is applied. Biology Today. CELLS: Essential Chemistry for Biology, The Molecules of Life, A Tour of the Cell, The Working Cell, Cellular Respiration: Obtaining Energy from Food, Photosynthesis: Using Light to Make Food. GENETICS: Cellular Reproduction: Cells from Cells, Patterns of Inheritance, The Structure and Function of DNA, How Genes are Controlled, DNA Technology. EVOLUTION AND DIVERSITY: How Populations Evolve, How Biological Diversity Evolves, The Evolution of Microbial Life, Plants, Fungi, and the Move onto Land, The Evolution of Animals. ECOLOGY: The Ecology of Organisms and Populations, Communities and Ecosystems, Human Impact on the Environment. For all readers interested in a biology text that focuses on the core concepts readers need to make scientifically informed decisions throughout their lives.