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