Four of the Five Statements Listed Below Apply to the Types

Four of the five statements listed below apply to the types of ecological pyramids. Which one is TRUE?

A) A pyramid of numbers is the most useful of the ecological pyramids.
B) A pyramid of energy shows that energy decreases as one goes toward the apex of the pyramid.
C) A pyramid of biomass cannot be inverted.
D) The base of all ecological pyramids is equal in size to the top.
E) The pyramid of numbers shows actual energy reduction from one trophic level to the next.