51. Which is the correct order of appearance on Earth? (A) photosynthetic prokaryotes, eukaryotes, primordial soup, non-photosynthetic prokaryotes (B) primordial soup, non-photosynthetic prokaryotes, photosynthetic prokaryotes, eukaryotes (C) primordial soup, cukaryotes, photosynthetic prokaryotes, non-photosynthetic prokaryotes (D) non-photosynthetic prokaryotes, photosynthetic prokaryotes, primordial soup, cukaryotes