The 10% rule means that when energy is passed in an ecosystem from one trophic level to the next, only 10% of the energy will be passed on.
Answer:
Sun
Explanation:
The hydrological cycle is most like mainly propelled by solar energy. By evaporating water from the oceans, lakes, rivers, and even the surface, solar energy powers the cycle. Other water is lost from plants to the atmosphere resulting of the transpiration.
They were completely heterophic in nature because it allowed them to absorb different material from the environment as an energy source
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