In an ecosystem, only 10% of the energy in one trophic level is transferred to the level above it. The rest of the energy is lost to the environment. If the first trophic level (green plants) contains about 250,000 kcal of energy, how much energy is lost when energy is transferred from lizards to snakes?

A.
2,250 kcal
B.
2.25 kcal
C.
225,000 kcal
D.
22.50 kcal