12.生物的变异与进化(1)（12. variation and evolution of organisms (1)）.docVIP

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12.生物的变异与进化(1)（12. variation and evolution of organisms (1)）.doc

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12.生物的变异与进化(1)（12. variation and evolution of organisms (1)） Topic twelve variation and evolution of Biology (1) Review your suggestions Review the idea of this special review, is the continuous development and change of the view of philosophy as a guide, the logical relationship between the variation and evolution of the main entrance to the requirements for review, as the standard, six knowledge points according to exam outline of the topic has been carried out systematic review. Through the review, first of all, we should find the internal relations of each knowledge point, and the links between these knowledge points and other chapters, so as to form a scientific and complete knowledge network. At the same time, each knowledge is closely linked to current hot issues such as uranium depleted bombs, third warm issues and other practical issues, scientific and technological achievements (such as the human genome project, genetic engineering, etc.). Identify the good point of entry, train and train the ability to analyze and solve problems, accomplish the transformation from knowledge to ability, and realize the biological value of applying knowledge. On this basis, the examinee will be standardized, systematic timing training, to further improve the examinees ability to test and comprehensive quality. Problem magnetic field 1. because of the rapid expansion of the earths population, the gradual decrease of forests and the burning of a large number of fossil fuels, CO2 in the atmosphere is increasing, leading to the greenhouse effect. And, because of the greenhouse effect the earths temperature rising, this will cause a series of consequences: (for example), sea iceberg melting overflowing, which inevitably lead to a rise in sea level, it is not only to drown a lot of good land, and water will make rolling along the Haicheng city was buried at sea, no longer exist. In this case, the original two connected together by land island (A island and B Island) due to the in