 How have increasingly longer life spans impacted Federation society?
If I don't want to follow my aptitudes, the only choice is common labor. With its population legally fixed at three hundred million, most of the country had become one big suburb, dotted with community centers and lined with narrow belts of industrial development. This could be a ruse to bring a stop to investigations when one animal is found. If allowed to reach age-set or adulthood, such a deviant could be dangerous to its owner or to others. They were sexually neuter and never grew beyond a predetermined age-set which varied for each series. Age-sets were available from one to ten years human equivalent.
 The population is tightly controlled to prevent scarcity.
 The population is tightly controlled to prevent scarcity.  Mutant animals have been created to satisfy the parental desires of childless couples.  Life expectancy has increased to 80.  The whole country has become a giant suburb, with two houses on every acre.