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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.《我们的生活比蜜甜》将带领我们重新走过和体验文革、上山下乡、恢复高考、改革开放等这段有苦有乐的辛酸历史，拂去现代社会的喧嚣浮尘去找回那个年代里人与人之间最真挚的情感。Lin Huiyin passed the Jiangnan Xieyuan examination, and Lin Ruhai hesitated. To be honest, he doesn't want his son to take part in this Spring Festival at all. Because he knew that his son was too young, that is, the coming year...This is the case with my neighbor Aunt Wang. Because her family's financial conditions are not very good, she especially likes to toss and turn when buying vegetables. She goes to the New Century Supermarket at the gate of the community and has a look: "Lettuce costs 3.5 yuan per catty, which is too expensive." Therefore, she took a six-stop bus to Wal-Mart, "more expensive, four dollars a kilo." Therefore, she took another seven stops to Yonghui. "Three dollars a kilo is great." She bought 5 kg and went home happily. After tossing and turning for half a day, I deducted the fare and lost 50 cents.大年夜，雪飞扬。过年的气氛更浓，严家的火药味儿却更重。他们又吵架了，严川与米佳，一对年轻的小夫妻。随即，婆婆姑姑齐上阵，谩骂米佳“麻雀变凤凰”，有幸成为严家豪门独子儿媳，却是“不下蛋的母鸡”。一气之下，米佳甩了“离婚”二字夺门而出，拂袖长去。于是，婆婆秋莎又开始骂骂咧咧，一个劲儿地指责儿子不该娶这种“门不当户不对”的女人为妻，太不懂规矩，也难怪出身于低层家庭，就是十足的小市民。然而，这个家在米佳看来，更是图有虚名，什么豪门，狗屁，就是一个地道的中国式的暴发户，顾名思义透着一个字：俗！ 　　米佳跑回了家，一番哭诉母生气，破口大骂严家“狗眼看人低”，非拉着女儿找他们评理去，还想拖着儿子米强一块儿去。米强是米佳的弟弟，却不在家。殊不知，此刻的他，因为网恋认识了尚晓芸，正猫在她的租赁房“甜蜜蜜”。然而，正是这夜网恋情，却为将来埋下了祸根，也殃及到姐姐的命运，酿成了巨大的家庭悲剧！Inner Mongolia Autonomous RegionA historic case of new attacks that triggered a series of new anomalies is the Massachusetts Institute of Technology gambling group attack on WinFall lottery games in Massachusetts (https://www.theatlantic.com/business/archive/2016/02/how-mit-students-gamed-the lottery/470349/).