Answer:
it helps the plant to take in sunlight and oxygen.
 
        
             
        
        
        
 It designate a plenty or overabundance of Endocrine
secretion or Hypo-, is the opposite of hyper-: it means underneath, less than normal,
or deficient of Endocrine secretion. It can be seen and range in the
bloodstream, and is usually found in higher levels in people whom are athletic.
It is also responsible for the brain sending signals for the healing of wounds.
It also helps with the bodies’ absorption of iron, by suppressing other
hormones and functions.
 
        
             
        
        
        
I think it might be C, as the genome is specific to an individual, so the gene pool is that for the population, I suppose.
 
        
             
        
        
        
B.
Key word: slide
Think of sliding down a WATER slide.