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