Answer:
D. Uncontrolled Cell Division
Explanation:
Fun Fact: Cancer can make mini cancer that can stack on top of itself.
 
        
                    
             
        
        
        
Answer:
The images obtained from the electron microscope provides key knowledge regarding the structural basis of cell function and various diseases associated with the cells. Thus, if a scientist desires to see the structure, which binds a cell with the adjacent cells, he or she should use an electron microscope.
Explanation:
please mark this answer as brainliest
 
        
             
        
        
        
Population decreases by 15.
Birth rate means more population (positive), death rate means less population (negative), immigration means more (positive), and emigration means less (negative).  So, just add and subtract the appropriate numbers:

Negative 15 people means that the population decreases by 15.
 
        
        
        
Answer:
Cell is the structural and functional unit of life. 
Explanation:
The organisms are classified on the different characteristics basis on the similarities and differences among the organisms. On the cellular basis two main types of organism are unicellular organism and multi cellular organism. 
The cell theory of the life was given by Schleiden and Schwann. The cell acts as the basic unit of life as all living organisms are made of the cell. The cell combine together to form tissue, tissue to form organs and organ system as given in the example of the cat. 
 
        
                    
             
        
        
        
Answer:
Comparative genomics of the three groups
Explanation:
The comparative genomics of the three groups was used to determine their evolutionary distinctiveness. Comparative genomics is a powerful tool used to study evolutionary changes among organisms, it helps to identify gene similarities and differences among organisms.  
Bacteria and archaea (formerly called archaebacteria)  were considered much more closely related, but DNA sequence analysis showed numerous differences between the two groups, and further proved that archaea was closely related to eukarya than bacteria.
However, in 1970, Dr. Carl Woese and other scientists in a bid to determine the distinction between the three groups made use of the nucletide sequence of the ribosomal RNA as an evolutionary time clock. 
It is widely known that the rRNA sequences; is present in all organisms, functions differently in various organisms, is involved in protein synthesis, can be align between two organisms and can change gradually over a long period, hence this made it a good tool to determine evolutionary distinctiveness.