<span>It is called a substrate. </span>
        
                    
             
        
        
        
Answer and Explanation:
All cells come from other cells. during cell division, the parent cells divide forming other cells. The cells prepare for division by multiplication of genetic material so that daughter cells will have the same number of chromosomes as the parent cell, synthesis of new organelles such as centrioles and mitochondria and building up of energy stores in form of ATP to drive the cell through the entire process.
 
        
             
        
        
        
Answer:
The parents would have both have to be Bb or heterozygous for black spots in order to have 7 out of 10 or about 75% of puppies with black spots.
have a good day
-HOPS
 
        
             
        
        
        
Answer:
fur
Explanation:
Have you seen a cat? It don't have feathers or wings because it's not a bird. It doesn't have fins because it's not a fish.