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不占家里便宜。2.4Http://bbs.a9vg.com/thread-5284828-1-1. Html冥河教祖大战孙悟空？。　　接二连三与各色男人相遇，大雁结识了学校新上任的副校长程闯（于小伟 饰）。一切正朝着好的方向发展，但一纸诊断书却横在了二人面前……The second classification principle of organisms is the lineage classification principle aiming at establishing evolutionary lineage. The classification method following this principle is called lineage classification. The representative of pedigree classification is "branch systematics". It advocates that the branches in evolution should be taken as the criteria for identifying and distinguishing classification units and the basis for determining the pedigree relationship of each classification unit. The so-called co-ancestral proximity (similar to a group of people being a grandfather) is used to measure the genetic relationship between different taxa and determine their position in the pedigree. The classification system finally established is an evolutionary pedigree reflecting the history of phylogeny, which is a deeper description of biological relationship. In other words, the basic principle of pedigree classification is that the classification system conforms to the evolutionary pedigree. Pedigree classification is only applicable to organisms and cannot be used for abiotic classification.