A) The study of mammals
B) The study of birds
C) The study of reptiles
D) The study of crustaceans

A) Crab
B) Jellyfish
C) Lobster
D) Shrimp

A) Oyster
B) Octopus
C) Crayfish
D) Squid

A) Lobster
B) Crab
C) Barnacle
D) Shrimp

A) Legs
B) Head
C) Tail
D) Antennae

A) Shrimp
B) Sea urchin
C) Lobster
D) Crab

A) Commensalism
B) Predation
C) Mutualism
D) Parasitism

A) Lobster
B) Shrimp
C) Isopod
D) Crab

A) An arthropodologist
B) A zoologist
C) A malacologist
D) A carcinologist or occasionally a malacostracologist, a crustaceologist, or a crustalogist.

A) It comes from Latin words meaning 'shell animal study'.
B) It originates from a combination of Greek and Latin roots related to marine life.
C) It derives from Ancient Greek καρκίνος (karkínos) meaning 'crab', and λόγος (lógos) meaning 'study'.
D) It is derived from the French word for 'small crustacean'.

A) Antennae and legs
B) Pincers and claws
C) Wings and fins
D) They are simply referred to as jointed, paired appendages.

A) Malacostracology
B) Astacology
C) Crustaceology
D) Copepodology

A) Six legs
B) Two pairs of antennae
C) Wings
D) Mandibles

A) Arthropods
B) Mollusks
C) Annelids
D) Echinoderms

A) Arthropodology
B) Malacostracology
C) Crustalogy
D) Crustaceology

A) Prosoma, mesosoma, and opisthosoma
B) Cephalothorax, abdomen, and tail
C) Head, thorax, and abdomen.
D) Anterior, middle, and posterior

A) Cirripedology
B) Crustaceology
C) Astacology
D) Malacostracology

A) Lobster
B) Japanese spider crab
C) Shrimp
D) Crab

A) Calcium carbonate
B) Silica
C) Chitin or chitin and calcium.
D) Keratin

A) Krill
B) All shrimp
C) Some species, such as certain crabs and woodlice.
D) Most lobsters

A) Malacostracology
B) Cirripedology
C) Copepodology
D) Astacology