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1·The parallelism in the classification of organisms and phytocoenosis is realized.

人们已认识到生物分类和植物群落分类是平行的。

2·According to the American Heritage Stedman's Medical dictionary, taxonomy is the classification of organisms in an ordered system that indicates natural relationships. 1.

根据《American Heritage Stedman ' s Medical Dictionary》的定义，分类是“划分有序系统中组织的类别，以指示自然关系。”

3·Chemotaxonomy: Method of biological classification based on similarities in the structure of certain compounds among the organisms being classified.

化学分类学：根据生物体的某些化学物质结构的相似性来进行分类的方法。

4·Classification The grouping and arrangement of organisms into a hierarchical order.

把生物按照一定的等级规类，分组。