Question 11 MarkOrganism that undergone natural selection during industrial melanismAnswerBiston betulariaView full question & answer→
Question 21 MarkVestigial structure in the eyes of humansAnswerNictitating membraneView full question & answer→
Question 31 MarkFactor that determines fitness according to DarwinAnswerReproductive fitnessView full question & answer→
Question 51 MarkGradual and orderly change from one form to anotherAnswerEvolutionView full question & answer→