A) Orcinus orca B) Inia geoffrensis C) Delphinus delphis D) Tursiops truncatus
A) Fish and crustaceans B) Seaweed and algae C) Plankton D) Insects
A) Mississippi River B) Nile River C) Yangtze River D) Amazon River Basin
A) Tides B) Ocean currents C) River water levels D) Marine salinity
A) Large dorsal fin B) Distinct black stripes C) Tail flukes like whales D) Flexibility in their neck vertebrae
A) Songs B) Growls C) Whistles and clicks D) Roars
A) Sharp eyesight B) Camouflage C) Long fins D) Echolocation
A) They are always alone B) They are often solitary or in small groups C) They form large pods D) They are completely social |