Environmental factors do influence natural selection because they can increase or decrease the population of a species, by selecting those with only favorable traits. 
        
             
        
        
        
Answer:
To keep the did chain going
Explanation:
If there's not enough species then there won't be enough diversity meaning the food chain well collapse and the animals will die out.
 
        
             
        
        
        
No a single consumer is a single consumer,
You can only be you, Although each has their own thoughts and opinions
        
             
        
        
        
The property of semiconductors that makes them most useful for constructing electronic devices is that their conductivity<span> may easily be modified by introducing </span>impurities<span> into their </span>crystal lattice<span>. The process of adding </span>controlled impurities<span> to a semiconductor is known as </span>doping<span>.</span>
        
             
        
        
        
Double fertilization is a complex fertilization mechanism of flowering plants. This process involves the joining of a female gametophyte with two male gametes. It begins when a pollen grain adheres to the stigma of the carpel, the female reproductive structure of a flower.