If the statement is asking whether it is true or false, the
answer is true because eating breakfast and skipping snack before lunch is
considered to be a type of behavior modification in which a behavior
modification focuses to the behavior change is being limited because of the
observation seen or employed. 
 
        
             
        
        
        
Precipitation needs to happen to keep the water cycle balanced
        
             
        
        
        
<u>Answer:</u>
<em>It is not true to say that common ancestors occurs only within a single species rather two species with similar traits might have a common ancestor. </em>
<u>Explanation:</u>
If the ancestor is same for both the species then it is said that both the species are closely related and share common ancestor with similar evolutionary relationship. 
Phylogenetic tree are drawn and studies are done to understand the ancestor of a species. The evolution has occurred from the ancestor to the new species formed.
 
        
             
        
        
        
As powerful as diffusion is, cells sometimes must move materials in the opposite direction—against a concentration difference. This is accomplished by a process known as active transport. As its name implies, active transport requires energy.
<u>please mark as brainliest it would really help because i only need one more to move up a rank <3</u>
 
        
                    
             
        
        
        
The warmth and redness of the surrounding area of the cut is due to the immune system.
Blood carries white blood cells, which attacks pathogens (Cause of infection) 
The surface become red  and warm as that is a conjugating area of blood.