To solve this problem, we need to understand the components of the Verhulst-Pearl logistic growth equation:$\newline \frac{dN}{dt} = rN \left[\frac{K - N}{K}\right] \newline$Let's analyze each component:$\newline \bullet$The term $rN$ represents the intrinsic rate of natural increase multiplied by the population size $N. \newline \bullet$The expression $\frac{K - N}{K}$ is a limiting factor that reduces the growth rate as the population size $N$ approaches the carrying capacity $K. \newline$Now, let's focus on the parameter $K: \newline \bullet$The parameter $K$ is known as the carrying capacity.$\newline \bullet$It represents the maximum population size that the environment can sustain indefinitely.$\newline \bullet$As $N$ approaches $K,$ the growth rate decreases, eventually reaching zero when $N = K. \newline$Therefore, $K$ indicates the carrying capacity of the environment.$\newline$This corresponds to Option 1: Carrying capacity.