Answer:
The size of a given axis can be changed in two ways during organ development. Cells can be rearranged first. Second, cell division orientation can be regulated. As a result, genes that control the direction of mitotic spindles may play a role in organ form.
Explanation: Hope This Helps!
 
        
                    
             
        
        
        
<u>Answer</u>:
<em>Annual precipitation and average temperature
</em>
<u>Explanation:</u>
Weather is referred as the temperature and precipitation recorded daily but climate is the <em>average temperature, precipitation, atmospheric pressure, wind and humidity recorded annually</em>. 
Climate is also meant by the average weather of a place.  The elements that are commonly found in <em>description of the climate is annual precipitation and average temperature of a place or region</em>. 
Precipitation is defined as product obtained by the <em>condensation of the water vapour present in atmosphere</em> and which falls under the <em>action of gravity.  </em>
 
        
             
        
        
        
Answer:
I believe it is A, but I could be wrong. 
Explanation:
I think this, because when it says, "Other, less useful, versions of the genetic code were eliminated gradually throughout the course of evolution", I think it referencing to the fact that all animals and etc, are made up of common codes, and how over time, through evolution, certain codes were eliminated, because creatures were evolving.
 
        
             
        
        
        
B or d.... hope this helps:)