Answer:
Organism with AABBCCDD genotype will produce only one type of gamete, ABCD and the organism having the genotype AaBbCcDd will produce 16 types of gametes. 
This is a percentage of 3.1%
Explanation:
 
        
             
        
        
        
Answer:
F) Thermohaline circulation pattern move surface water from equatorial regions to the poles
 
        
             
        
        
        
The nucleus is the part which controls the cell and is semipermeable
        
                    
             
        
        
        
Answer:
The correct answer is d all of the above
Explanation:
There are many reasons behind increasing the concentration of atmospheric carbon dioxide such as
1 Burning of fossil fuels such as coal,petroleum increases the level of atmospheric carbon dioxide.
2 Increase in Argiculture also increases the level of green house gases such as CO2.
3  Clearing of lands for increasing population and agriculture by cutting down trees also adversely effect the normal 02:CO2 ratio in the atmosphere.
 
        
             
        
        
        
In competition, males use feather color to warn potential rivals that they occupy a piece of territory.