Purple flowers is the correct answer because If there was a cross between both it would most likely be purple
        
                    
             
        
        
        
The end products are also different, in every living organism water and carbon dioxide are produced in aerobic respiration, whereas in anaerobic respiration, animals produce lactic acid, while plants and micro-organisms produce ethanol.
 
        
             
        
        
        
Atom, cell, tissue, organ
        
             
        
        
        
The correct answer is a dichotomous key. Basically, you use the key to decide what species an organism is by looking at what traits it has, and if it doesn't have some traits you can instantly rule out a large number of species which brings you closer to your answer of what the species is that you're looking at.
        
                    
             
        
        
        
I just got this question on my test, the answer is D) glycogen. All excess glucose is stored long-term in the liver and muscle cells as glycogen when animals need it for energy.