Answer:
the fish experienced an evolutionary change because of genetic drift
Explanation:
 
        
             
        
        
        
The promise of jobs and prosperity, among other factors, pulls people to cities. Half of the global population already lives in cities, and by 2050 two-thirds of the world's people are expected to live in urban areas. But in cities two of the most pressing problems facing the world today also come together: poverty and environmental degradation.
 
        
             
        
        
        
<span>(Chloroplasts) 
are found in unicellular organisms such as plants, and 
(Mitochondria)
 is found in almost all cells. (Chloroplasts convert light energy into sugar using photosynthesis,) and the (mitochondria converts sugar into ATP using cellular respiration.)
Both the mitochondria and chloroplast convert energy, have its own DNA, and are enclosed by two membranes.
:) Good? </span>
        
             
        
        
        
Answer:
A haploid is a cell with a single set of chromosomes.