Which of these provides evidence of the common ancestry of all life? Naim 10:54 Introduction Themes in the Study of Life Which of these provides evidence of the common ancestry of all life? A) ubiquitous use of catalysts by living systems B) near universality of the genetic code C) structure of the nucleus D) structure of cilia E) structure of chloroplasts Answer: B Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+