Camouflage I think
idoNTKNOW
To survive
sea slugs are sea sponge's enemy because sea slugs eat sea sponges
No. Sea slugs are Gastropods.
check the encyclopedia,internet, etc.
Sea slugs
They can't. That's why you don't put them in a tank with fish!
Land turtles defend themselves by going in their shells or finding holes to hide in. Sea turtles find places to hide and also go in their shell for protection.
They move by using their soft body and muscular foot.
Being a sea slug, enjoying their sea slug-y lives, and getting it down with the lady sea slugs. XD
Porcupines defend themselves with their quills.
Sea sponges do not have many natural predators. The only animal that has been known to feed on sea sponges are sea slugs.