According to the question, if a plant fixes X amount of energy, the second trophic level will have access to 10% of X, or 0.1*X, and the third trophic level will have 10% of 0.1*X, or 0.01*X.
Approximately energy will be available to the third trophic level will be 0.01*X.
What phases of an ecosystem's energy flow are there?
The transmission of energy from one organism to another, starting with the autotrophs and rising up the food chain as animals are consumed by one another, is referred to as energy flow. Pyramids of food and energy are another approach to show this kind of chain or just to show the trophic levels.
To know more about ecosystem's energy flow, click here- brainly.com/question/2660876
#SPJ4