Question

all ecosystems need energy. what is the originating source for most of the energy that powers ecosystems on this planet?
○ potential energy
○ solar energy
○ geothermal energy
○ wind energy

Explanation:

Plants use solar energy for photosynthesis, which forms the base of the food chain. Most ecosystems rely on this energy flow. Potential energy is stored energy, geothermal is from the Earth's interior (limited in scope for most ecosystems), and wind energy is a secondary form (often related to solar - heated air).

Answer:

Solar energy