If the place you adopted the dog from didn't give you information, you should talk to a vet about what parasites are common in your region and what treatment options there are. --Many times vets will offer a couple of options for non-prescription treatment and prevention.
If you're in a region that doesn't have fleas and ticks, there's no reason to treat your dog for them. The same goes for many of the other parasites listed.
If you're in a region that doesn't have fleas and ticks, there's no reason to treat your dog for them. The same goes for many of the other parasites listed.