a:  cyanobacteria ~
b:  microscopic plants
What:  
"For example, cyanobacteria are like microscopic plants, sucking up carbon dioxide and making it accessible to other creatures"
Useful?
Writer:  Marissa Fessenden
LCC: 
Where:
Date:   Nov 18 2017  11:17 PM
# 11637 Critique Analogy
