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