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