All worms are invertabrates.
Lugworm
yes
No, they aren't.
The lugworm has Bilateral symmetry, look at the site earthlife.net for more info! i pretty sure that it is bilateral because worms or phylum Annelida is bilateral.
there is the body, the tentelectula and the fwipper (like toes)
small crabs eat bacteria and lugworm
Lugworms are annelids, so they therefore belong to the annelida phylum.
bacteria , lugworm(when it doesn't do its job propelly!), barnicles.
invertebrate - has exoskeleton
An invertebrate.
It is an invertebrate 
no