The chloroplast internal membrane is organized into flattened membranous sacs called ; they, in turn, are arranged in orderly stacks called that contain energy-transducing machinery.
a. grana, thylakoids
b. thylakoids, grana
c. thylakoids, grana thylakoids
d. thylakoids, stroma thylakoids

answer; the correct answer is desert plants;

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg 

the correct answer to this question is #5