What is the most evident primary energy driver supplying Earth's surface ecosystems?

Answer

Sunlight captured by photosynthetic organisms.

The Sun is cited as the most evident energy driver, as photosynthetic organisms capture solar radiation and convert it into chemical energy, forming the base of nearly every food web.

What is the most evident primary energy driver supplying Earth's surface ecosystems?
scienceHabitabilityLife supportEarth conditionsenvironmental factors