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