DescriptionBiological Science covers both core and option material for AS Level and A Level.This is the third edition of the highly successful book, Biological Science. The text has been revised and updated to provide comprehensive coverage of the latest syllabuses. New material has been added in the following areas: human health and disease, microbiology and biotechnology, and the applications of genetics. Questions and practical work permeate the text and useful appendices are included covering biological chemistry, biological techniques and statistics. Biological Science is available as two soft cover volumes and as a combined volume hardback.Table of ContentsIntroduction to the subjectClassificationChemicals of lifeEnzymesCellsHistologyAutotrophic nutritionHeterotrophic nutritionEnergy utilisationOrganisms in their environmentQuantitative ecologyMicrobiology and biotechnologyAnswers and discussionTransport in plantsTransport in animalsCoordination and control in plantsCoordination and control in animalsMovement and supportHomeostasisExcretion and osmoregulationReproductionGrowth and developmentContinuity of lifeVariation and geneticsApplication of geneticsEvolution – history of lifeMechanisms of speciationAnswers and discussionAppendix 1. Biological chemistryAppendix 2. Biological techniquesAppendix 3. ClassificationAppendix 4. Nomenclature and unitsAppendix 5. The geological time scale