<u>Answer:</u>
<em>If Mendel crossed a true breeding dominant plant with a true breeding recessive plant the recessive trait is visible in the F3 generation.
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<u>Explanation:</u>
In <em>Mendel’s cross the selected parents are a tall pea plant and a short pea plant.</em> Tall is the dominant trait and short is the recessive trait.  Both the parents are homozygous. 
Letter T represents tall and t represents short. Hence the phenotype TT is homozygous dominant and tt is homozygous recessive.  
<em>The genotype Tt represents tall since T is dominant over t. Mendel’s cross can be represented as  </em>
<em> </em>
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<em> </em>
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<em>F1 generation      Tt     Tt   Tt   Tt
</em>
<em>F2 generation     TT   Tt  Tt tt  
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Yes it is, because not all technological advancements will be used correctly. For example nuclear technological advancements looked like a good idea back when they invented it, but now countries are trying to get nuclear weapon and plant locations so they can possibly use that in a war against another country 
 
        
             
        
        
        
Answer:
D. A population has only one species, while a community has many species.
 
        
                    
             
        
        
        
The variable is independent because you are affecting it by changing it individually. It would be dependent if you changed one variable then the water was affected.