What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?

What advantages over an aquatic organisms does a terrestrial organism have with regard to obtaining oxygen for respiration ?

What advantage over aquatic organism does a terreestrial organism have with regard to obtaining oxygen for respiration ?

(a) Why is diffusion insufficient to meet the oxygen requirements of large multicellular organisms like humans? (b) What type of arrangement exists in the bodies of large animals to meet their oxygen requirements adequately ? (c) What advantage a terrestrial animal has over an quantic animal with regard to obtaining oxygen for respiration?

(a) What is meant by aquatic animals and terrestiral animals ? (b) From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration ?

Why is the rate of breathing in aquatic organisms such faster than terrestrial organisms ?

What are the advantages of classifying organisms ?

What are the advantages of classifying organisms ?