You are presented with the question "Lobsters have special structures for:" and the following answer choices: 
- excretion
 - Cooking
 - produce light
 - staying warm
 - butter
 - Maine
 - layers of fat
 - tastiness

Now knowing that some arthropods have special excretory structures and an ant and a lobster are both arthropods, choose the best answer.


 

 excretion        