Answer
b.
Work Step by Step
Option a. is incorrect. Carrying capacity refers to how many individuals of a species a specific area can support.
Option c. is incorrect. Logistic growth starts out with a large increase followed by a slow increase and eventually a stoppage of growth altogether.
Option d. is incorrect. Age structure measures how many males and females are in each age in a given population.
Option b. is correct. Exponential growth occurs when the number of individuals in a population explodes.