How does the chronological organization of the author's research contribute to the central idea of the text

Text structure refers to how the information within a written text is organized. This strategy helps students understand that a text might present a main idea and details; a cause and then its effects; and/or different views of a topic.

Explanation:  

07 Identify text structures (e.g., sequence/chronological order, classification, definition, process, description, comparison, problem/solution, cause/effect).

i believe it is d.) previous creature