Extinction of species reduces the number of different species in ecosystems, hence lowering the diversity of living things.
        
             
        
        
        
Answer:
DD TT
Explanation:
They are the same and capital 
 
        
             
        
        
        
Answer: The open ocean zone lies beyond the continental slope and contains 65% of the water in the oceans. This zone is divided further into three subzones. The sunlit zone is where photosynthesis takes place. Plankton and jellyfish are drifters that inhabit this zone.
Explanation:
 
        
                    
             
        
        
        
Answer:
I think A. The number of cacti, flowering shrubs, and desert trees that could grow during an extended dry period.
Explanation:
 
        
             
        
        
        
Answer:
carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur