Answer:
blood alcohol concentration 
Explanation:
we studied that recently so I could recall
 
        
             
        
        
        
The most likely cause of the beak variation is the food source of the finch, the break size and shape was adapted to most likely have easier and better access to food.  <span />
        
                    
             
        
        
        
Answer:
Spore can survive under unfavorable conditions as they are covered by a hard protective coat. Spores can grow to produce new plants and does not require sexual interaction with another organism. Due to their small size and light weight, they can be dispersed easily.
Spores can remain dormant till favourable conditions become available. b. Spores help an organism to tide over the bad phase. Spores can be spread through water, air or animals and thus is good for the spread of an organism to more places.
Explanation: hope this helps bro! (: