Fact 1: Organisms that live in marine biomes must be adapted to the salt in the water.

Fact 2: Marine life is equally diverse and abundant, from tiny plankton to blue whales.

Given the two facts above, answer the question "What must be adapted to the salt in the water?" with the following options: 
- dogs
 - blue whales
 - ice
 - mammals
 - fur seals
 - bacteria
 - animals
 - humans


 

  blue whales       