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