You betcha thats what happens.It called the balance of life that why we hunter try and help with the balance. Too many bears mean they are feeding lots of deer and more then likely fawns which will drop the numbers alot if there are no new deer growing up and all the breeder's are dieing off cause of old age or other things, and when there is too many deer that means there isnt very many predators such as bears cause too many have been killed or havent survived.