A) Orcaella brevirostris B) Delphinus delphis C) Grampus griseus D) Tursiops truncatus
A) Using body language only B) Through visual signals C) By echolocation only D) Clicks and whistles
A) Vulnerable B) Critically Endangered C) Least Concern D) Endangered
A) Reducing marine traffic. B) Banning all types of fishing. C) Establishing protected areas. D) Increased fishing quotas.
A) Shallow freshwater and brackish waters. B) High salinity waters. C) Cold Arctic waters. D) Deep ocean waters.
A) Plankton B) Fish and crustaceans C) Seaweeds D) Sharks
A) They jump high out of the water. B) They often exhibit a unique rolling motion. C) They stay submerged for long periods. D) They glide on the surface.
A) Their strong jump ability. B) Their large dorsal fin. C) Their size and weight. D) Their rounded forehead and lack of beak. |