The scenario listed that could be a mutation that causes members of a population to die out would be the genetic
Milgram found that subjects were more likely to obey in some circumstances than others. Obedience was highest when: Commands were given by an authority figure rather than another volunteer. The experiments were done at a prestigious institution.
The component is called 'resting metabolic rate. It operates when the body is at complete rest. It can also be called basal metabolism.