Match Each Description with the Appropriate Scientific Term

Match each description with the appropriate scientific term.
-ratio of net productivity at one trophic level to the productivity at the trophic level below it

A) biogeochemical cycles
B) ecological efficiency
C) ecological pyramid
D) generalized compartment model
E) gross primary productivity
F) limiting nutrient
G) net primary productivity
H) pyramid of biomass
I) secondary productivity
J) simulation modelling
K) standing crop biomass
L) trophic cascade