After Twain studies man and animals, what finding "humiliates" him?

Why does the author introduce druse as lying in a “clump of laurel”? consider any symbolic or cultural meanings associated with this plant, and what significance it lends to this particular story. story "a horseman in the sky"

Use morphology and syntax to make grammatical sense of the following sentence (mark all that the ova of all mammals except the monotremes undergo holoblastic segmentation. the -s inflection indicates that monotremes is a plural noun. the suffix -ic indicates that holoblastic is an adjective. the suffix -ation in the word segmentation is a noun-forming suffix denoting a process. the -s inflection indicates that monotremes is a possessive noun.

How does gregor change from the beginning to the end of the story?