"Scallop" comes from the French word, "escalope" which translates to "shell".
scallops are a type of sea food
A scallop is a marine bivalve mollusk of the family pectinidae. They are found in all the worlds oceans and are valued as a food source and to shell collectors.
Slightly, compared to other fish. Compared to a sugar based confectionary, no.
Scallops come from sandy or muddy bottoms of most seas and oceans.