Are bamboo worms an invasive species?

Yes bamboo worms are an invasive species

Non-native worms or species at all can affect the lands in harmful ways, so Bamboo worms are invasive. They can change the vitamins given into the soil by attacking native plants and taking away necessary vitamins.

I recommend you double check this, I got this answer from my notes way back when. And we don't talk about 'Way Back When'. It's terrible