Answer:
D. Average number of offspring produced over the life span of individuals
Step-by-step explanation:
- The fundamental level of the life history at the reproductive stages is the levels area trade-off and the average lifespan of the individual is related to the number of the offsprings that are produced over the period of time by the individual that has the best survive in the wild and these are based on the structural, functional and behavioral adaptations of the environment.