If an aquatic animal requires great amounts of water to use their gills to extract the dissolved oxygen, then what requires great amounts of water to use their gills to extract dissolved oxygen?

Answer choices:
- most cephalopods
 - alligators
 - starfish
 - aquatic animals
 - Jellyfish
 - water foul
 - platypus
 - Lobsters

 

    aquatic animals      