Answer:
That would be the definition of osmosis 
 
        
             
        
        
        
The things that birds have attached to their bodies called their wings, a left one and a right one, cause them to have the ability to fly.
        
                    
             
        
        
        
 The principle at work in this scenario is referred to as Determination.
<h3>What is Determination?</h3>
This can be defined as a positive emotional feeling which involves persevering towards a difficult goal despite obstacles encountered.
The individual was subjected to the extreme heat but was still very much determined to find a chilly, air-conditioned environment which makes it the most appropriate choice.
Read more about Determination here brainly.com/question/679318
 
        
             
        
        
        
Answer:
B) There is an increase in the number of giraffes with long necks in areas of Africa where low-growing trees have died
Explanation:
The directional selection is one of the ways of the natural selection in which the natural selection selects or favours the most extreme trait of the species and the extreme trait show higher fitness than the normal or average trait.
In the given question, the case of Giraffe necks shows directional selection as the normal length of the neck is not favoured by the environment but the extreme trait that is long neck is favoured by the environment and the selection shifted to that level.
Thus, Option-B is the correct answer.
 
        
                    
             
        
        
        
The correct answer will be  
B. false