The reasons are:Pea plants were easy to grew and they developed quick.It has a short life expectancy, which is about 3-4 months, so it can indicate prompt outcomes after the experiment. It is a bisexual plant however sexual reproduction can be effortlessly conveyed out, here it is additionally simple to locate an unadulterated line. It has 7 sets of differentiating characters. 
        
             
        
        
        
I think it’s listed in largest to smallest order as is.
        
                    
             
        
        
        
Navel is not an example of organ
        
                    
             
        
        
        
Factors Affecting Enzyme Activity. ... Several factors affect the rate at which enzymatic reactions proceed - temperature, pH, enzyme concentration, substrate concentration, and the presence of any inhibitors or activators.