The population of a species that grows exponentially over time can be modeled by P(t)=Pe^(kt), where P(t) is the population after time t, P is the original population when t=0, and k is the growth constant.

Read MoreThe population of a species that grows exponentially over time can be modeled by a logistic growth equation. This type of growth is usually found in smaller populations that aren’t yet limited by their environment or the resources around them.

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