Essay question 1: Why should selection be thought of as a tweaker rather than a designer? Discuss with reference to the p​‌‍‍‍‌‍‍‍‌‍‍‍‌‌‌‌‌‌‍‍​rocess of natural selection and adaptations. Provide examples to support your answer. 

Essay question 2: Describe why competition plays a central role in understanding natural selection. Explain how this could result in conflict in human behaviour, with evidence that evolutionary factors contribute​‌‍‍‍‌‍‍‍‌‍‍‍‌‌‌‌‌‌‍‍​.