Answer:
sunlit zone or the euphotic zone
Explanation:
The highest layer of the world's seas is washed in daylight during the daytime. This brilliant sea layer is known as the sunlit zone or the euphotic zone (euphotic signifies "sufficiently bright" in Greek) or the epipelagic zone (epipelagic signifies "upon the ocean")
 
        
             
        
        
        
Answer:
D
Explanation:
Material is duplicated during Synthesis
 
        
             
        
        
        
Answer:
If it helps, the answer is Mutualism (let me know if it is for some reason incorrect)
 
        
             
        
        
        
Four chambered heart keeps oxygenated and deoxygenated blood separate and has double circulation while three chambered heart has a single circulation. Two chambered heart only has single atrium and single ventricle