Answer:
If this fictional journal entry were adapted into a poem, an element that might be one of its defining characteristics is that Jerome would speak in first person.
Step-by-step explanation:
The original journal was written in the first person, as Jerome tells the story of the incredible experiences he has just got to live in the last day, then one characteristic that could be used in an adaptation to a poem would be the point of view in which it is written, it would keep the same way of communication in a different kind of writing.