start with a thesis statement on the topic. then put three topic sentences on that thesis in the first paragraph. your body paragraphs will be about each topic. then you final paraggraph restates the thesis and the topics.
In this short story it is third person omniscient.
Line three exemplifies the use of Simile. A simile draws a comparison between two things that are unrelated, usually using the word "like" or "as". Here, the speaker compares him or herself (a human) to a "noble amphibian" by using the word "like".