Which among the following sequences was proposed by Darwin and Wallace for organic evolution?
Overproduction → Struggle for existence → Variation → Survival of the fittest
According to Darwin's and Wallace's theory, overproduction (Increase in the population of a particular species) increases the demand for food and space within that location, thereby creating a struggle for existence among the organisms. Those organisms that exhibit a particular variation to fight against the environmental challenges and survives is considered to be the fittest population or species.