You are presented with the question "What kind of organism use cellulose for their cell walls?" and the following answer choices: 
- parasites
 - animals
 - Conifers
 - fungus
 - vegetation
 - producers
 - amoeba
 - viruses

Now knowing that plants use cellulose for their cell walls and if the plant is green, it is a producer, choose the best answer.


 

      producers   