Organisms that live in marine biomes must be adapted to the salt in the water, and marine life is equally diverse and abundant, from tiny plankton to blue whales. Given these facts, what must be adapted to the salt in the water among the following options:
- dogs
 - blue whales
 - ice
 - mammals
 - fur seals
 - bacteria
 - animals
 - humans


 

  blue whales       