The type of growth that occurs when a population grows rapidly under ideal conditions is called 'exponential growth.' This growth is characterized by a constant rate and leads to a J-shaped curve on a graph. Therefore, the correct answer is option B: exponential.
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Population growth can be classified into types such as exponential growth and logistic growth . Exponential growth occurs when populations grow rapidly under ideal conditions. Logistic growth accounts for limitations as the population approaches its carrying capacity. ;