Which of the Following Statements Comparing Freshwater and Marine Habitats

Which of the following statements comparing freshwater and marine habitats is false?

A) About 10 percent of all aquatic species live in freshwater habitats.
B) Unlike the oceans, freshwater lakes and ponds cannot be divided into zones based on depth and light penetration.
C) The global volume of marine habitats is much greater than that of freshwater habitats.
D) Freshwater species richness is less than marine species richness in proportion to the relative extent of the two habitats.
E) Both b and d