17448
In this study , we used a three - way full factorial design to investigate whether interactive effects between a natural stressor , the bacterial parasite Pasteuria ramosa , and a chemical stressor , the insecticide carbaryl , were different between two genetically distinct clones of Daphnia magna that strongly differ in their sensitivity to carbaryl .
 carbaryl, carbaryl
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 carbaryl, carbaryl