Fact 1: Most ecosystems get energy from sunlight.

Fact 2: Sunlight is a form of electromagnetic energy.

Given the two facts above, answer the question "what do ecosystems get energy from?" with the following options: 
- colors of the spectrum
 - fossil fuels
 - during the day
 - our star
 - electromagnetism
 - In their leaves
 - rays or beams
 - sun's heat


 

     electromagnetism    