Which organizational structure will be the best structure for an informative essay about how birds are categorize into species A definition B cause/effect C classification D compare/contrast

For an informative essay about how birds are categorized into species, the best organizational structure would be **C: classification**. This structure allows you to organize the information based on the different categories and classifications of birds, such as family, genus, and species, and provide details about each category. This approach will enable you to clearly explain the criteria used for classification and provide examples of different bird species within those classifications.