Answer: Economic
Explanation:A streak is something that characterizes somebody - an element of somebody's character that practically defines them.
So, a drinking streak refers to a person who has a drinking problem; a gambling streak refers to someone who gambles a lot; a mean streak is a bad and a mean person; and a funny streak is a humorous person.
 
        
             
        
        
        
A manifestation of local blood flow regulation.
        
             
        
        
        
It would be B. XY, XY, XY, XY, XX, XX, XX because the male gamete is Y, meaning 4 of these kittens are male, and 3 are female because they lack a Y gamete.
        
                    
             
        
        
        
Distributive (or vasogenic) shock is caused by a sudden severe decrease in peripheral vascular resistance that causes extensive pooling of blood within the venous system and subsequent decreased venous return to the heart.
 
        
             
        
        
        
1- Mutation
2- Gene Flow
3- Sexual reproduction 
Hope this helps :-)