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One comment, one click to read蒯彻抱拳道：恭喜齐王。半个时辰后，两军终于各自进入了对方射程，徽王府率先发炮，毫无准头。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.一场大吵之后，父子情深，合谋彼此作戏，用一套房子成全两份爱情，上演一出啼笑皆非的爱情保卫战。可欺骗注定还不来爱情，最终，父子俩都绝望了。但坦诚又让他们重新有了爱情的希望.我能做的，也就是在那希望之火灭了以后，尽量让你们活下去，不要一下死透了。