One of the main differences between skin rashes and hives is the way that they appear on the skin. The raised, red bumps that are hives are eruptions on the surface of the skin. Rashes are a skin discoloration and will only appear slightly raised from the skinâs surface.
Alfred Russel Wallace, codeveloper of the theory of evolution. The image is modified from http://www.prs.k12.nj.us/schools/phs/science_Dept/APBio/Natural_Selection.html. In 1858, Charles Darwin received a letter from Wallace, in which Darwin's as-yet-unpublished theory of evolution and adaptation was precisely detailed.
From Quiz: Charles Darwin and the Theory of Evolution (click to play it). Question by author. Answer: Alfred Wallace. Alfred Wallace also had come up with a theory of evolution similar to Darwin's. They both produced papers but in the end it was Darwin who went ahead and published his research. John Henslow and Adam Sedgwick were both naturalists who taught Darwin at Cambridge University.