Rank the following methods of acquiring oxygen from most to least efficient.
A)mammalian lungs $\rarr$ fish gills $\rarr$ avian lungs
B)avian lungs $\rarr$fish gills $\rarr$mammalian lungs
C)fish gills $\rarr$ mammalian lungs $\rarr$ avian lungs
D)fish gills $\rarr$ avian lungs $\rarr$mammalian lungs
E)avian lungs $\rarr$ mammalian lungs $\rarr$ fish gills

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The Answer of Rank the following methods of acquiring oxygen from most to least efficient.
A)mammalian lungs $\rarr$ fish gills $\rarr$ avian lungs
B)avian lungs $\rarr$fish gills $\rarr$mammalian lungs
C)fish gills $\rarr$ mammalian lungs $\rarr$ avian lungs
D)fish gills $\rarr$ avian lungs $\rarr$mammalian lungs
E)avian lungs $\rarr$ mammalian lungs $\rarr$ fish gills

Rank the Following Methods of Acquiring Oxygen from Most to Least