Question

How do hunting licenses maintain game animal as a renewable resource

Answer 1

Because animals are an important part of wildlife, hunting licences insure that only a certain limit of animals can be killed. 

Answer 2

Hunting is an important wildlife management tool. The main purpose of hunting is to control the surplus populations of animals. But some people hunt animals for fun and to polish their shooting skills. Hence, hunting is being licensed and only professional hunters who works for wildlife management, are getting license. Therefore, it prevents the loss of game animals which are renewable resources on earth.