I would say that the answer to this question is most likely B or D.
D?!? Let me know if you get it right
Breathing, burning something/ fire, or i guess photosynthesis
A. 1000 grams. 1000 is divided by ten each time it goes up the trophic scale. since it goes up 2, 3 and 4, the answer is 1000. (1000/10/10/10=1)
