SOCA02H3 Chapter 20: chapter 20
Document Summary
People have developed contraceptive devices and techniques to control the consequences of sexual activity no necessary connection between sexual activity and childbirth technology and the global environment much social as theya re natural and therefore avoidable rather then inevitable second main theory of population growth, they theory of demographic transition demographic transition theory: how changes in fertility and mortality affected population growth from preindustrial to post industrial times. Underlying population dynamics are industrialization and the growth of modern cultural values the preindustrial period first stage, large proportion of population died every year from inadequate nutrition, poor hygiene and uncontrollable disease crude death rate : the annual # of deaths per 1000 people in the population was high in preindustrial period crude birth rate: the annual # of live births per 1000 people in the population was high as well few children survived till adulthood children value for work of agricultural and a form of old age security in a society.
