Energy is passed up a food chain or web from lower to higher trophic levels, and plants are always at the bottom of the food chain or web. Given these facts, at what trophic level is a plant among the following options:
- lower trophic level
 - higher trophic level
 - the body's largest organ
 - vegetation
 - Something that is self-aware
 - it needs them
 - middle trophic level
 - highest trophic level


 

 lower trophic level        