A) Operculum (gill cover) B) Scales similar to bony fish C) Cartilaginous skeleton D) Bony skeleton
A) Anal fin B) Caudal fin C) Dorsal fin D) Pectoral fin
A) To expel waste B) To sense vibrations C) To detect electrical fields D) To draw water into the gills
A) Cycloid scales B) Ganoid scales C) Ctenoid scales D) Dermal denticles
A) Pelvic fin B) Dorsal fin C) Pectoral fin D) Caudal fin
A) Spines on dorsal fin B) Barbels C) Cephalofoil D) Luminous organs
A) Nictitating membrane B) Lateral line C) Ampullae of Lorenzini D) Spiracle
A) Depth perception B) Protection of the eye C) Sound detection D) Olfactory reception
A) Ovoviviparity B) Oviparity C) Viviparity D) Parthenogenesis
A) Carcharhinidae B) Squalidae C) Lamnidae D) Mitsukurinidae
A) Bioluminescence B) Elongated snout with lateral teeth C) Extremely large size D) Presence of barbels
A) Orectolobidae B) Carcharhinidae C) Lamnidae D) Squalidae
A) Squid B) Fish C) Seals D) Plankton
A) Squatinidae B) Hexanchidae C) Orectolobidae D) Rhincodontidae
A) Flattened body B) Six gills C) Elongated snout D) Spiraled intestines
A) Seven B) Five C) Six D) Four
A) Hexanchus griseus (Sixgill shark) B) Sphyrna lewini (Scalloped hammerhead) C) Rhincodon typus (Whale shark) D) Carcharodon carcharias (Great white shark)
A) Asexual B) Ovoviviparous C) Oviparous D) Viviparous
A) A shark's stomach B) A shark's kidney C) An egg case of some shark species D) A shark's heart
A) Basking shark B) Tiger shark C) Bull shark D) Mako shark
A) Detecting vibrations in the water B) Sense of taste C) Detecting electrical fields D) Sense of smell
A) Saw-shaped B) Hammer-shaped C) Torpedo-shaped D) Flattened
A) Sensing prey B) Balance C) Reproduction D) Defense
A) Reef shark B) Lemon shark C) Nurse shark D) Thresher shark
A) Great white shark B) Mako shark C) Hammerhead shark D) Bull shark
A) Diphyodont B) Monophyodont C) Oligodont D) Polyphyodont
A) Defense against parasites B) Camouflage C) Attracting mates D) Temperature regulation
A) Cetorhinus maximus B) Orectolobus maculatus C) Galeocerdo cuvier D) Squalus acanthias
A) Hammer-shaped head B) Deep-sea bioluminescence C) Spotted patterns D) Large mouth and filter-feeding behavior
A) Shape of caudal fin B) Number of dorsal fins C) Presence of an anal fin D) Harness-like markings |