In a terrestrial ecosystem such as a forest, which trophic level contains the maximum energy?

In tropical rain forests,most of the energy in the ecosystem flows through:

Given below are two statements.
Statement $I$ - The amount of energy available in an ecosystem increases at each successive trophic level.
Statement $II$ - Transfer of energy from one trophic level to the other follows $10\%$ law.
In the light of above statements, select the correct option given below:

The ultimate energy source of the ecosystem is

Energy is transferred from one trophic level to another through which interaction?

Energy flow and energy transformations in living systems strictly conform to the