Question

directions: select the correct answer from the drop - down menu.
organisms are classified, or grouped into categories, based on similarities in their characteristics and/or evolutionary relationships
the study of how organisms are classified is known as
pathology
taxonomy
epidemiology
taxidermy
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Explanation:

分类学（taxonomy）是对生物进行分类的学科，依据生物的特征和/或进化关系。病理学（pathology）研究疾病，流行病学（epidemiology）研究疾病传播，“taxdermy”拼写错误（应为taxidermy，动物标本制作术）。

Answer:

taxonomy