You are presented with the question "Many consumers feed at more than one what along a food chain" and the following answer choices: 
- humans
 - cacti
 - goats
 - step
 - scale
 - Length
 - a path
 - Energy

Now knowing that many consumers feed at more than one trophic level and each step along a food chain is known as a trophic level, choose the best answer.


 

    step     