An aquatic animal requires great amounts of water to survive, and fish can survive in water by using their gills to extract the dissolved oxygen. Given these facts, what requires great amounts of water to use their gills to extract dissolved oxygen among the following options:
- most cephalopods
 - alligators
 - starfish
 - aquatic animals
 - Jellyfish
 - water foul
 - platypus
 - Lobsters


 

    aquatic animals     