Answer:
Mitogens
Explanation:
Mitogens: proteins that turn off negative signals that are blocking cell division.
 
        
                    
             
        
        
        
Answer:
1) Mechanical Weathering, 2) Chemical, 3) Physical
Explanation:
 
        
                    
             
        
        
        
The numbers are 2 of them 
        
             
        
        
        
Yes, the taiga ecosystem is home to evergreens. The taiga system is a slightly warmer ecosystem then Tundra. You kind find a lot of taiga in Canada and Parts of Europe.
I hope this helps!
~kaikers