If grass stores 1,000 energy units received from the sun,the ecological efficiency of the ecosystem is 10%,and the trophic levels are grass $\rightarrow$ cow $\rightarrow$ human,how many units of energy does the human receive of the original 1,000 units?
A) 900
B) 200
C) 100
D) 10
E) 1

Question

Quizplus · Accepted Answer

The ecological efficiency is 10%, meaning each trophic level receives 10% of the energy from the previous level. Grass has 1,000 units, cows receive 10% of that (100 units), and humans receive 10% of what cows have (10 units).

If Grass Stores 1,000 Energy Units Received from the Sun,the →\rightarrow→

If Grass Stores 1,000 Energy Units Received from the Sun,the $\rightarrow$