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