Answer:
materials move against a concentration gradient 
 
        
             
        
        
        
Asexual means by self sexual means from opposite genders
        
             
        
        
        
During the winter season, the tree branches get dormant.
<u>Explanation:</u>
As the winter season starts, many plants show very slower metabolism that is the growth of the plants become very slow.
During the winter, there is very low amount of sunlight that the plants receive and so the synthesis of chlorophyll by the plants also in very small amount, and so there is least amount of sugar to metabolize by means of a slower Photosynthesis.
These tree branches become dormant during winter season, and it is mostly covered with the scales.
 
        
             
        
        
        
Average human body anatomy sensex.
        
             
        
        
        
Answer: B) an increase in gene flow between the bird populations.
Explanation:
The formation of tiny island will connect the island and the mainland. The distance between the two habitats will reduce due to the tiny island which can also become another habitat for birds. Thus the gene flow will increase between the birds of two different habitats as the population of two habitats can mate and produce progeny.