Fully updated for the current Biology for CCEA AS Level specification and endorsed by CCEA. It has been subject to a detailed quality assurance process by an independent Biology expert. It contains new colour-coded practical work sections to address the AS3 paper and provides sample examination questions for each topic.

Illustrated in full colour with bright and clear presentation.

The author, Dr James Napier, is a well-known Biology author who, prior to his recent retirement, was vice-principal in a Northern Ireland grammar school.

Contents:

AS 1 Molecules and Cells

Chapter 1 Molecules

Chapter 2 Enzymes

Chapter 3 Cells

Chapter 4 Cell Physiology

Chapter 5 Continuity of Cells

Chapter 6 Tissues and Organs

AS 2 Organisms and Biodiversity

Chapter 7 The Principals of Exchange and Transport

Chapter 8 Transport in Plants and Transpiration

Chapter 9 Circulatory Systems in Mammals

Chapter 10 The Adaptation of Organisms

Chapter 11 Biodiversity

Chapter 12 Human Impact on Biodiversity