A biography can be written about a person who is alive or deceased. 2
A biography provides details about different time periods of a person’s life. 2
A biography provides more than just facts about a person. It tells a story and describes the personality of that person. 2
A biography is written from a third person’s perspective. 2
A biography is written mostly in past tense, as they include events that have happened in the past. 2
A biography is a nonfiction text about someone's life that is written by another person.
Since the real gorilla's story matches up with Ivan's story that we read in the novel, The One and Only Ivan may be considered to be biographical with facts. However, other elements of dialogue, Ivan’s thoughts, other characters like Stella, Ruby and Bob are a creation of the author's imagination. Therefore, we can conclude that The One and Only Ivan is a fictional biography.