A marine biologist discovers a new tiny aquatic invertebrate species that lacks gills.The most reasonable hypothesis would be that the animal gets oxygen through
A. diffusion across its skin.

B. extracellular digestion.

C. cephalization.

D. lungs.

Question

A marine biologist discovers a new tiny aquatic invertebrate species that lacks gills.The most reasonable hypothesis would be that the animal gets oxygen through 
 A. diffusion across its skin.  
 
 B. extracellular digestion.  
 
 C. cephalization.  
 
 D. lungs.

anonymous · Answer

i am not sure if this will help you but i no for a fact that it is not answer D. lungs.