Specification

The table below provides more information on each of the modules:

Module Title Breakdown
AS 1: Molecules and Cells
  • Molecules
  • Enzymes
  • DNA Technology
  • Viruses
  • Cells
  • Cell Physiology
  • Continuity of Cells
  • Tissues and Organs
AS 2: Organisms and Biodiversity
  • Transport and Exchange Mechanisms
    – The principles of exchange and    transport
    – Gaseous exchange
    – Transport in plants and    transpiration
    – Circulatory systems in mammals
  • The Adaptation of Organisms
  • Biodiversity
    – The variety of life
    – Human impact on biodiversity
AS 3: Assessment of Practical Skills in AS Biology Students’ practical skills are assessed.
A2 1: Physiology and Ecosystems
  • Homeostasis
    – Homeostasis principles
    – The kidney and excretion
    – Endocrine control and    osmoregulation
  • Immunity
  • Co-ordination and Control
    – Plants
    – Animals
  • Ecosystems
    – Populations
    – Communities
    – Ecological energetics
    – Nutrient cycling
    – Adverse impact of human activity    in the environment
A2 2: Biochemistry, Genetics and Evolutionary Trends
  • Respiration
  • Photosynthesis
  • DNA as the Genetic Code
  • Gene Technology
  • Genes and Patterns of Inheritance
  • Mechanisms of Change
  • Kingdom Plantae
  • Kingdom Animalia
A2 3:

Assessment of Investigational and Practical Skills in Biology

Students’ investigational and practical skills are assessed.