A grassland ecosystem has 400,000 kcal of energy stored in the primary producer level.Grasshoppers eat the grass,meadowlarks eat the grasshoppers,and a hawk eats the meadowlarks.How many kcals are now stored,and available,in the hawk?

Question

Quizplus · Accepted Answer

In a food chain, only about 10% of energy is transferred to the next trophic level. Starting with 400,000 kcal at the producer level, the hawk would receive 400 kcal after three transfers (400,000 -> 40,000 -> 4,000 -> 400).

A Grassland Ecosystem Has 400,000 Kcal of Energy Stored in the Primary