地理必修二知识点（Geography requires two knowledge points）.doc

地理必修二知识点（Geography requires two knowledge points） Chapter 1 population change Logical connection: Demographic changes Quantitative change: population growth Spatial change: population migration Population growth process and regional differences Population growth model and transformation Population migration process Factors affecting population migration Section 1 changes in population size The natural growth of population in the 1. region is determined by birth rate and mortality; Natural population growth rate = birth rate - mortality. 2. in the agricultural civilization, population growth is very slow; the emergence of agricultural civilization, provides the material basis for the growth of the population, but population growth is still slow; after the industrial revolution, the world population growth; after the Second World War, the population of the world especially the rapid growth of population in developing countries. The general trend of population change in the 3. world is increasing. The rapid growth of world population since the 4.20 century. 5., the natural growth rate of the population in developed countries has been kept at a low level, and the population growth is slow. The population of some countries will gradually decrease, such as Russia, Germany and japan. 6., after the Second World War, the reasons for the rapid growth of population in Asia, Africa and Latin America were as follows: (1) political independence; the development of national economy; the progress of medical and health services; and the decrease of population mortality. 7., the population growth model is composed of three indicators: birth rate, mortality rate and natural growth rate. 8. population growth model Aboriginal people of high and low origins Traditional high and low developing countries Modern low and low developed countries 9., the pattern of population growth in the world is in the traditional stage to the modern stage. Because of family planning work, the transformatio