In a typical population of gazelle, the average birth rate is 25 new fawns each spring. However, this spring there was a significant increase in the amount of fawns birthed to 150. This drastic increase led to food being depleted, an overproduction of waste, and many in the population died as a result. Which condition for natural selection was at work in this case?
A) Inherited variation
B) Mutation
C) Overproduction of offspring
D) Evolution