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