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