 An example made by V. P. Skulachev provides that of two hares, one faster and one smarter, the faster hare may have a selective advantage in youth but as aging occurs and muscles deteriorate it is the smarter hare that now has the selective advantage.Mitochondrial ROS – The production of ROS by the mitochondria.This causes oxidative damage to the inner compartment of the mitochondria and destruction of the mitochondria.