Fact 1: Energy is passed up a food chain or web from lower to higher trophic levels.

Fact 2: Autotrophs are the base of the food chain .

Given the two facts above, answer the question "what is energy passed up from to higher trophic levels?" with the following options: 
- animals
 - Energy
 - autotrophs
 - Most plants
 - glucose
 - sunlight
 - Energy.
 - kinetic energy


 

   autotrophs      