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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.我扮作小雀，跟灵儿、小蝶装作去花园掐花。　　这些青少年心地都很善良，都有个共同点：家庭不健全，心灵空虚。他们包括有个望子成龙的爸爸的凌浩才（翁家鸿饰演）、富商私生女苏美凤（陈碧凤饰演）、鱼贩少东谢阿宝（段伟明饰演）、极度自卑的N水准学生张小花（杨莉冰饰演）、新潮少女麦当娜（郑宛玲饰演）。有时候却必须堂堂正正，遵循王道之途。一番争论后，几个恶人决定暂时不杀燕南天，要把燕南天折磨到死。警视厅搜查二课的警员们，以查出消失的10亿日圆为目标，这10亿涉及外务省机密费诈取，在查案的过程中，他们发钱的下落与被称为"三恶人"的外务省官员有关...大哥哥，你不要走，小伊已经等你很久很久了……千万不要再不见我……吕伊心中太多的委屈，压抑了两年之久终于有机会说出口了，此时哪里还能忍的住。