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