Answer:   Determined by genetic and environmental factors. 
Explanation:
Are determined by genetic and environmental factors and the interaction of such factors, but not with absolute certainty. This development system model includes both influences of species typical genes and the influences of a species typical rearing environment.   Relatively rapid increase in obesity, the change stems from changes in the environmental context. 
 
        
             
        
        
        
Absolute time is the answer
        
             
        
        
        
I think b. Proteins are polymers of amino acids is the correct answer
 
        
             
        
        
        
The parents both need to be heterozygous, meaning they have to have one dominant and one recessive allele.
        
                    
             
        
        
        
That is a subduction or convergent boundary that can form volcanoes when two plates collide against each other.