How do we study the “lower links” in the marine food chain? Give some examples of the methodology.

Question

anonymous · Answer

"It is my guess that you would study the link above which devours them. 
With the chain and the web, one stretches up so it would be selective.....the other spreads out so it lateral and probably available, or palatable, to more species."

anonymous · Answer

^from https://answers.yahoo.com/question/index?qid=20100225112653AAV4olY

anonymous · Answer

i saw that too but it doesnt work. and there arent any examples

anonymous · Answer

Crap..sorry dont know much more about this lol

anonymous · Answer

thats ok. i figured it out