This is a symbiotic relationship between the Boxer crab and sea anemone. 
<h3><u>Explanation</u>:</h3>
The symbiosis is a type of relationship between two species which has benifit for both the participating organisms.
Here in case of boxer crab, the crab gets the help from the sea anemone in the form of protection. The sea anemone chases the predators and thereby saves the organism from being hunted. 
On the other hand, the sea anemone gets food from the crab's prey which he hunts.
So there's a benifit for both. 
 
        
             
        
        
        
Answer: DNA can be used to identify criminals with incredible accuracy when biological evidence exists. 
Explanation:
In cases where a suspect is identified, a sample of that person's DNA can be compared to evidence from the crime scene. The results of this comparison may help establish whether the suspect committed the crime.
No Problem at all!
 
        
                    
             
        
        
        
The biomolecule that would be the preferred dietary intake molecule the day before a long distance runner is scheduled to compete in an event is Carbohydrates. The answer is option B. Carbohydrates are considered as the base diet among athletes because it can give almost half of the energy needed especially in high intensity activities or sports. It is considered as a good fuel for athletes that can be easily replenished.