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