The above scenario is an example of an exponential growth.
An exponential growth can be defined as a situation in which the population size of a species of living organism grows faster and quickly as the population gets larger.
This ultimately implies that, an exponential growth generally result in a a population explosion over time.
In this scenario, we were told that the population of European starlings increased to hundreds of millions. Thus, this is an example of an exponential growth.
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