a:  food chain ~
b:  a ladder
What:  
"All living things are linked to each other. They need other living things to survive. A food chain is like a ladder. Imagine you are standing in the middle of a ladder."
Useful?
Writer:  Trisha Callella-Jones, Marilyn Marks
LCC: 
Where:
Date:   May 21 2015  11:19 AM
# 7627 Critique Analogy
