自然清洗（Natural cleaning）.docVIP

自然清洗（Natural cleaning） From ancient classifications to the cleansing of natural history at the end of the middle ages With the continuous expansion of the understanding of the world and deeply, in order to communicate with other people, began to find the necessity of different biological grouping classified from the early stage of human development, primitive humans long ago mastered some of the surrounding objects according to the practical method be arranged. The basis of this classification is usually based on the characteristics of the objects, which must be significant, clear, understandable and important. At the time of human beings, to eat lettuce and ivy poisonous to eat is very important. Therefore, eating and eating are two important categories. Some of the features in such a classification system are actually quite complex and even represent some form of chemical classification. Platon of ancient Greece (died 2347 years ago, died in 2429) and his disciple Aristotle (born 2384 years ago and died in 2322) were among the first to try scientific methods. Platon thought that the shape of a species represented the concept of the species, a thought that had been influential. Platon never put forward a complete classification system, but only put forward how to classify, and put forward two concepts of Genus and species in the academic language. But provides a fairly correct framework after his natural level and great chain of biological two concepts as naturalist. Aristotle is more practical, he put the form into the nature of the species to investigate. Aristotle thought he was just a pioneer in collecting material for later generations. He advocated the use of plants and animals in many traits to discover the natural boundaries of things that could be divided, rather than just a simple two bifurcation classification, as Platon did. If later scholars conscientiously followed the principles of Aristotle, taxonomy might have made a good start. Unfortunately, late