NEET BIOLOGY

Detailed explanation-1: -Crabs belong to the subphylum Crustacean, the largest group of marine arthropods, which also includes lobster, shrimp, and krill, a shrimp-like crustacean.

Detailed explanation-2: -The major groups of Crustaceans The Malacostraca are further divided into five groups-decapods (e.g. crabs, lobsters and shrimp), stomatopods (mantis shrimp), euphausiids (krill), amphipods (e.g. sandhoppers) and isopods (land-based) crustaceans.

Detailed explanation-3: -The Crustacea are a subphylum of arthropods with 67, 000 described species. They are part of the phylum Arthropoda. Crustaceans include crabs, lobsters, crayfish, shrimp, krill and barnacles.

Detailed explanation-4: -Crustaceans (Crustacea, /krəˈsteɪʃə/) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp.

Detailed explanation-5: -All the arthropods have jointed legs and have similar body types. Therefore, Shrimps, Crayfish, and Lobsters belong to the class Crustacea. Shrimps: They are crustaceans having organs for locomotion.