5. DARWINIAN EVOLUTION IN THE IMMUNE AND NERVOUS SYSTEMS
5.1 Knowledge Systems for Adaptation and Defence (SADS).
5.2 A Sphere of Life in an ocean of uncertainties. Synergy guides growth.
5.3 The lymphoid or immune system (LAD): a network of lymphocytes and antibodies.
5.4 Conditions for acquiring biological immunity.
5.5 A lymphoid network for recognition: a summary.
5.6 Concentric organisation of the NAD; rigidity and plasticity.