Answer:
Selection may be defined as the process of selecting the more favorable species than the less favored one and can adapt in the environment. The selection increase the chances of survival of the organism.
The genetic variation hidden means the variation is not visible in the population and present in the form of heterozygotes in the population. This genetic variation can be expressed by the recombination of the heterozygotes in the population.
 
        
             
        
        
        
Answer; 
C) 9. (mitochondria)
Explanation; 
-Mitochondria is the organelle where the process of cellular respiration takes place. Cellular respiration is the process by which plants and animals break down food compounds such as glucose to generate energy that is used to drive cellular processes such as transport and growth. 
 
        
                    
             
        
        
        
Answer:
<u><em>Surface tension </em></u>
Explanation:
A measure of how difficult it is to stretch or break the surface of a liquid Is called <u><em>surface tension.</em></u>
Hope this helps! <3
 
        
             
        
        
        
D. DD = 0.0225; Dd = 0.1275; dd = 0.7225
The value of Dd is different in question.
<u>Explanation:</u>
Given - 
Dark colored = DD, Dd
light colored = dd
Frequency of allele D = 0.15
Frequency of allele d = 0.85
Hardy-Weinberg equilibrium is applied.
DD = 0.15 X 0.15 = 0.0225
Dd = 0.15 X 0.85 = 0.1275
dd = 0.85 X 0.85 = 0.7225
Therefore, DD = 0.0225; Dd = 0.1275; dd = 0.7225
 
        
             
        
        
        
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