B -  Because an active cell can only work if it has a 3-Dimension structure. 
 
        
             
        
        
        
Answer: the beaks of the finches are adapted to the way the bird usually gets food. :) good luck!
 
        
             
        
        
        
Answer:
Bacteria is the only prokaryotes.
Some cynobacteria are also included in prokaryotes.
 
        
                    
             
        
        
        
Human cells that contain one set ofchromosomes are called gametes, or sex cells; these are eggs and sperm, and are designated 1n, or haploid.Matched pairs of chromosomes in a diploid organism are called homologous (“same knowledge”)chromosomes
        
             
        
        
        
Explanation:
Your stomach is a sac-like organ with strong muscular walls. In addition to holding food, it serves as the mixer and grinder of food. Your stomach makes acid and powerful enzymes that break the food down and change it to a liquid or paste. From there, food moves to your small intestine