The answer is b Area A was completely underwater in the past.<span> None of the other conclusions can be drawn; you need more information. You DO know that area A was once completely underwater though.\</span>
        
                    
             
        
        
        
Each person’s DNA is unique.Scientists use variable regions in DNA to create  DNA profile.<span>DNA samples can be taken from blood, bone, hair, or other body tissues and
products.</span>DNA from a crime scene can be compared to DNA from a suspect.DNA typing can be used to solve old cases.  this is what you need to write.
 
        
        
        
Plants have cell walls, so cytokinesis cannot go on with a cleavage furrow, but instead, a cell plate  forms across the cell in the location of the metaphase plate.
There is no distinct groove along the cell plate as the cell divides because of the rigid nature of the cell plate or new cell wall.
A plant cell divides differently from an animal cell which forms a clear cleavage furrow because it only has a flexible cell membrane and not a rigid cell wall like plants. 
The cell plate in plant cells is formed by membrane bound vesicles which migrate to the center of the cell where the metaphase plate used to be and fuse together to form a cell plate.
 
        
             
        
        
        
“Destiny” is not a property of a population.
        
             
        
        
        
The best explanation that best predicts what happens to the trait over time is that the incidence of mid-digital hair will not change because it offers no selective advantage or disadvantage. A mutation is a sudden, spontaneous random change that occurs in the genetic make up of an organism. The presence or absence of mid-digital hair is controlled by a single gene with two alleles, and the allele H is dominant.