Advantages And Disadvantages Of Service Animals

Do you think that all most animals should be service animals or just dogs should be allowed? Well I do think that because other animals can do more things than other animals can. Such as the monkey it can help people in different ways other than the service dog that cannot do as much things than the monkey. All animals are different so that means that the other animals can do lots of more different things than just things that the dog can do. Also the dog can pretty much do easy things but I think that the other animals can do more challenged things.
What can dogs do that other animals can not do? Well dogs can alert their owner if the doorbell rang or if someone knocked on the person's door I’m pretty sure that the person would like to know