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