Answer
b.
Work Step by Step
Option a. is incorrect. Logistic growth is marked by exponential growth of a population followed by a slower increase and then finally a cessation of growth.
Option c. is incorrect. Exponential growth is a great explosion in a population's number.
Option d. is incorrect. Population density describes how many individuals of a species inhabit a particular unit area.
Option b. is correct. The carrying capacity describes the number of individuals of a population that can be supported by a given area.