Answer:
The forest with the most diverse population is the one that could have this distribution: 25 W, 25 X, 25 Y and 25 Z.
The one that has a distribution like this with 3 species, would be the one that is more diverse. 
 
        
             
        
        
        
Answer:
B. The animals at each level use energy, so only a small amount of their energy is available to the next level.
Explanation:
 
        
             
        
        
        
Hey! they are usually single celled!
hope this helped xoxo
        
                    
             
        
        
        
Answer:Changes that affect the structure of chromosomes can cause problems with growth, development, and function of the body's systems. These changes can affect many genes along the chromosome and disrupt the proteins made from those genes.
Structural changes can occur during the formation of egg or sperm cells, in early fetal development, or in any cell after birth. Pieces of DNA can be rearranged within one chromosome or transferred between two or more chromosomes. The effects of structural changes depend on their size and location, whether gene function is interrupted, and whether any genetic material is gained or lost. Some changes cause health problems, while others may have no effect on a person's health.
Explanation: took the test