Biodiversity is variety of life. Bio means life and diversity means change, different forms of life. The world constitute different species of plants and animals. Have a nice day!
 
        
             
        
        
        
Answer:
When a household installs a dual flush toilet, the water is mainly conserved by limiting its consumption and thus eliminates the unnecessary loss of water. #2 is the answer
Explanation:
A dual flush toilet is similar to a standard toilet but includes some water conserving features.
 
        
                    
             
        
        
        
Answer:
B. Gravitropism
Explanation:
I think because gravity makes the roots go down???