In the Ocean, Why Would There Be a Smaller Biomass

Multiple Choice

In the ocean, why would there be a smaller biomass of large predators (for example, sharks and tuna) than of herbivorous animals (for example, some small fish and zooplankton) ?

A) The ocean has too few hiding places for predators.
B) Energy transfer between trophic levels is inefficient.
C) Ocean herbivores have higher trophic efficiencies than land herbivores.
D) Ocean herbivores are better adapted to moving over large distances than ocean predators.
E) Predators have higher reproductive rates than herbivores.