Conditions under which natural selection occurs in a population of iguanas are described in the table below: natural selection description condition description a iguanas that were good swimmers and divers had the advantage of finding food in the water over other iguanas b the larger hatchlings produced by larger female iguanas had a higher chance of survival which factor contributes to natural selection for each condition? condition a represents competition, and condition b represents differential reproductive success. condition a represents differential reproductive success, and condition b represents competition. condition a represents inherited variation, and condition b represents competition. condition a represents competition, and condition b represents inherited variation.