The most likely explanation for the variation is the offspring were produced from different combination of genes. A single pair of gold fish mentioned in the question means a male and a female gold fish. The two of them mated and contributed different genes to the fertilized fish eggs, this results in production of various body shape and colouration which is known as variation.
        
             
        
        
        
No more than 7% of your total calories should come from saturated fats.
        
             
        
        
        
Answer:
I'm pretty sure the answer is B 
 
        
             
        
        
        
Answer:
adhesion
Explanation:
Its just like Water drops on a pine needle or on anything else, Cohesion is when water is attracted to water. Therefor its Adhesion, because that's when water is attracted to other things or substances.
 
        
                    
             
        
        
        
Jack. A signpost is a non-living thing and non living things do not grow. Sam is an adult and he has stopped growing already. Jack is a child and will continue growing the next few years.