Articles > Natural selection definition – quiz Natural selection definition – quiz Quiz Choose the best answer. 1. Natural selection is the process wherein heritable traits increase an organism's chances of survival and reproduction.TrueFalse 2. In natural selection, beneficial traits are favored over less-beneficial traits.TrueFalse 3. The theory of natural selection was based on the observation of Charles Darwin during the HMS Beagle voyage.TrueFalse 4. In the Inheritance of Acquired Characters, it explains how evolution occurs like when giraffes evolved long necks when they kept using their necks to reach for leaves on tall trees.TrueFalse 5. Natural selection is the sole mechanism driving evolution of species.TrueFalse Send Your Results (Optional) Your Name To Email Time is Up!