How does evolution result in reproductive success?

Often when species evolve, they receive a trait that may make them live longer or make it where their survival chances are significantly increased. Which in turn can make their offspring stronger and able to live longer, therefore increasing their population.

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs