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