Answer:
Text Structure of this Paragraph
a) Topic sentence presents the main theme or focus of the paragraph. This is done, in this paragraph, with the first sentence making some claims about the mimic octopus:
"The mimic octopus not only changes its color but also, its shape and behavior."
b) Supporting sentences give more evidence, details, examples, and features about the main topic. In this paragraph, the supporting sentences are: "It is able ...," "By changing ...," "Changing its ...," and "It also helps ..."
c) Concluding sentence: This sentence summarizes the information. The concluding sentence here is: "The mimic octopus truly is a great example of how animals adapt to survive."
Explanation:
A well-structured paragraph is made of three major elements: a) the topic sentence (containing the writer's thesis or claim); b) some supporting sentences (presenting evidences and examples); and c) a concluding sentence, pulling the structure together.