The three basic variables that make up the life history of an organism are
A) life expectancy, birth rate, and death rate.
B) number of reproductive females in the population, age structure of the population, and life expectancy.
C) age when reproduction begins, how often reproduction occurs, and how many offspring are produced per reproductive episode.
D) how often reproduction occurs, life expectancy of females in the population, and number of offspring per reproductive episode.
E) the number of reproductive females in the population, how often reproduction occurs, and death rate.
Answer: C