BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Marine animals in the shellfish category include crustaceans and mollusks. Examples are shrimp, crabs, lobster, squid, oysters, scallops and snails. Shellfish is a common food allergy.

Detailed explanation-2: -Shellfish fall into two different groups: crustaceans, like shrimp, crab, or lobster. mollusks, like clams, mussels, oysters, scallops, octopus, or squid.

Detailed explanation-3: -There are two groups of shellfish: crustaceans (such as shrimp, prawns, crab and lobster) and mollusks/bivalves (such as clams, mussels, oysters, scallops, octopus, squid, abalone, snail).

Detailed explanation-4: -Scientists call them aquatic invertebrates and recognize three different families of shellfish: molluscs, crustaceans, and echinoderms.