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五位素不相识的年轻人,意外进入了怪兽横行的时空。他们面对的将是一场屠杀盛宴。在一个充满了不可思议的能量矩阵的结界中,他们五个人似乎进入了一场无限循环的生死杀戮游戏。深处密林中的每个人,似乎都在被监控之下。要想逃出生天,拯救自己,他们需要异兽的帮助,他们似乎又要躲避异兽的追杀。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.Disadvantages:The second flash said, "My ship is turning left";这是惯用的手法。In fact, the appearance of interactive game APP products for children's thinking ability was earlier than that of online class products, such as Wukong Mathematics, Dudu Mathematics and Yangyang Love Mathematics, which were all introduced to the market around 2012. However, due to the limited market demand environment at that time, they failed to achieve explosive development.***下更两点。