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Human's classification consciousness and practice on vegetation, animals and other organisms have existed since ancient times. They existed in ancient China and ancient Greece, and developed into a science-taxonomy. However, the early classification was mainly based on morphology, such as the shape of roots, stems and leaves. Taxonomy based on morphology is the oldest discipline in biology, and the earliest phyla, classes, orders, families, genera and species basically came from here. Taxonomy in the general sense refers to a specialized discipline that identifies, identifies, describes, names and classifies organisms. The task and purpose of taxonomy can be divided into two parts:那时韩信与自己在一起并肩作战，在大河边上背水一战。这个世界的百般爱千般恨都起源于一件美丽的旗袍。不论时间怎么流逝也只是相当于牡丹落了一瓣花瓣所有事情都在等着轮回重演。一件红的耀眼的旗袍，绣着粉红色的牡丹，如果没有胸口上的痕迹，那就是件完美的旗袍。胸口上是被刀划过的痕迹，这个被刀刺伤心脏的女人是香港帅哥赵明挺的旧爱。Tussilago farfara　　日本版将请到竹内凉真担任主演，剧名为《六本木class》。钢琴大师变身老戏骨，郎朗师妹首战影视圈；韩国小鲜肉倾力加盟，金童玉女演绎传奇跨国恋；绝代佳丽国色天香，骨灰美女争芳斗艳；学习《老炮儿》好榜样，导演客串屌丝男！中国校花，揭示神秘符号；韩国校草，掀起动感热浪；友情与爱情，交相辉映；古典与时尚，珠联璧合！让我们一起再看流星雨——《校花时代》。