Under Some Conditions, Trophic Diagrams May Be Inverted (I

Multiple Choice

Under some conditions, trophic diagrams may be inverted (i.e. broader at the top) . Under which of the following conditions would you expect a biomass pyramid to be inverted?

A) When primary producers are slow growing and long lived.
B) When grazers are rare.
C) When primary producers are heavily grazed.
D) When predators are slow and hunt inefficiently.
E) When the ecosystem is dominated by large herbivores.