Answer:
90 percent of energy is lost in the form of heat energy.
Explanation:
When we move from each trophic levels, only 10 percent of energy is transferred from one level to another while 90 percent of energy is lost as heat energy which is produced during conversion of energy from one trophic level to another. For example, In trophic level, producers have 100 percent energy so primary consumers have 10 percent of total energy.
