A) Ursus maritimus B) Enhydra lutris C) Phoca vitulina D) Callorhinus ursinus
A) Clams and mussels B) Seaweed and algae C) Plankton D) Fish and squid
A) Vulnerable B) Critically Endangered C) Least Concern D) Endangered
A) Illegal hunting and disease B) Habitat destruction and pollution C) Natural disasters and invasive species D) Overfishing and climate change
A) Through vocalizations and body postures B) Through complex dances and patterns C) By using bioluminescent signals D) By releasing pheromones into the water
A) Predation by other marine mammals B) Climate change C) Disease D) Starvation
A) By relying on their buoyancy B) With their streamlined bodies and powerful flippers C) By using inflatable air sacs D) With the help of a symbiotic relationship with fish
A) By migrating to warmer waters B) Through a thick layer of blubber C) By panting heavily D) By huddling together for warmth |