Talk to your vet. There are oral wormer products that are used for this.
No, an earthworm is not a parasitic worm as far as I know.
A parasitic worm is a worm that feeds on another organism, its 'host'. For example a tape worm. It latches onto the intestine of humans.
No, it is a parasitic worm
the Filarial round worm causes elephantiasis
tape worm is one
It is possible that you got ring worm from your new kitten but you should look for a rash on the kitten and take it to the vet to make sure that the kitten isn't infected. Children can get ring worm from the soil outside and touching anyone or anything that's infected.
parasitic nematode
parasitic
helminth
A parasitic worm is a worm that feeds on another organism, its 'host'. For example a tape worm. It latches onto the intestine of humans.
Deworming medications treat parasitic worms. These medicines can only be obtained from a doctor. If you or your pet has a parasitic worm, you need to get a special medication that kills parasites. This medicine can only be obtained from a doctor or vet.
Symbiotic relationship? Parasitic.