The requested plot diagram for 'Dark They Were, and Golden-Eyed' is not found in the provided excerpts, which appear to come from various sources unrelated to the story in question.
The plot diagram of 'Dark They Were, and Golden-Eyed' by Ray Bradbury follows a typical narrative structure found in literature, though the question posed by the student does not match any direct content from the provided excerpts. The student may be confusing different pieces of literature.
The quotes shared in the question seem to come from various sources, possibly including aspects of setting descriptions and character experiences, none of which pertain to 'Dark They Were, and Golden-Eyed', which itself is a short story dealing with the transformation of humans after arriving on Mars.