Fact 1: Chlorophyll is used for absorbing light energy by plants.

Fact 2: It is essential in the absorption of light energy for photosynthesis.

Given the two facts above, answer the question "what is chlorophyll essential for?" with the following options: 
- staying warm
 - photosynthesis
 - survival
 - hydrogen and oxygen
 - germinating
 - Most plants
 - plant reproduction
 - plant respiration


 

  photosynthesis       