In an ant colony, sterile sisters are workers who maintain the nest and provide care for their reproducing mother, the queen. Naim 09:25 AP Biology In an ant colony, sterile sisters are workers who maintain the nest and provide care for their reproducing mother, the queen. A. Genetic drift B. Coevolution C. Character displacement D. Sexual selection E. Kin selection Answer: E. Kin selection Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+