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