What to look for when trying to find textual evidence ?

Read this excerpt from leah missbach day's foreword to wheels of change. as wbr's resident photographer i am privileged to see firsthand the impact bicycles have on the lives of our recipients. why does the author include this excerpt?

We will be learning about animals that live in the arctic. your assignment is to find information about one animal in the arctic. be sure that you find the following information about the animal: average height and weight, appearance, diet, shelter, mating habits, and any other interesting or important facts. we will use the information that you gather in the research with an in-class project. be sure to keep track of your sources; your final project will require a works cited page. in an internet search engine, which group of keywords is most appropriate for this assignment? a) project, arctic, diet b) arctic, animals, facts c) cold, appearance, animals d) average height and weight, one animal

In the first line of each stanza, the author follows the pattern of a noun followed by a pair of adjectives. what is the purpose of this pattern?