7. VARIATION OF HUMAN FORM, FUNCTION AND BEHAVIOUR
7.1 Zones of adaptation and defence.
7.2 The unicellular human: hard to believe but undeniable.
7.3 Specialisation of tissues and organs.
7.4 Varieties of physique: a genetic basis of human diversity.
7.5 Competition and cooperation.
7.6 Varieties of temperament: genetic disposition of personality.
7.7 Interactive properties are a criterium for selection
7.8 Genetic factors and the evolution of society
7.9 Variety of values. A two-way hierarchy of moral judgment.