It is what makes plant stems, leaves, and branches so strong.
 
        
                    
             
        
        
        
Idk sorry lol lol lol lol
        
             
        
        
        
Answer:  to protect and preserve the ocean
Explanation: The ocean produces over half of the world's oxygen and absorbs 50 times more carbon dioxide than our atmosphere. Climate regulation: Covering 70 percent of the Earth's surface, the ocean transports heat from the equator to the poles, regulating our climate and weather patterns.
 
        
             
        
        
        
The answer for the given question above about a cladogram showing the evolutionary relationships between different vertebrates is option A. <span> Amphibians and birds share a more recent common evolutionary ancestor than sharks and birds. I hope this helps.</span>
        
                    
             
        
        
        
Answer:
A and B are both correct.
Explanation:
Chromosomes from both parents are interchanged, which increases the number of possible combinations that the offspring can receive.