Do you have a like text book for this for me to answer?
 
        
                    
             
        
        
        
 To answer this we need to analyze each statement
camouflage, mimicry, and stingers: This is meant to escape predation and fend off predators, so this is the correct answer.
hibernation and migration: This is meant for breeding and or food energy storage, to pass hard seasons so is also incorrect.
courtship and breeding behaviors: This is meant for reproduction and to ensure offspring so this is incorrect.
nesting and food gathering: this is a behavior for survival, resource use rather than defense, si this is not correct.
 
        
             
        
        
        
Answer:
Explained 
Explanation:
The first thing that the etiologist can do is try and culture bacteria from the tissue samples in the lab. And then study about the bacterium's properties and characterstics that are leading to causing diseases in the humans. 
 
        
             
        
        
        
Answer:
out of all of them its going to be ferns