It depends to the species of crustation. They vary greatly.
No because a crustacean has a exoskeleton and a mussel has a shell
a crab is a crustacean
No. A bird is not a crustacean.
crustacean is not a decomposer
No, a frog is an amphibian, not a crustacean.
crustacean
The crustacean in the lobster trap is a lobster. (see the related questions)
Crustacean Records was created in 1994.
Krill is in fact a type of crustacean. Whales are typically animals that consume large amounts of the crustacean krill.
Snails are actually mollusks and crustacean. They are very unique creatures.
Crustaceans are animals with hard exoskeletons, like lobsters and crabs. A predatory crustacean is a crustacean that hunts prey and is not an herbivore.
That is the correct spelling of the word "crustacean" (shelled animals).