<span>There is a herbicide poison spill and all the grass is killed. It will make all of the consumers who depends on the gras will get decreased. If they saw some consumers dies by eating the grasses affected by herbicide posion, they will move far away from it</span>
        
             
        
        
        
Is they are random changes I believe they should be mutations
        
             
        
        
        
Answer:
A census is a count of the population in particular areas.
Explanation:
 
        
                    
             
        
        
        
<span>The instructions for the organization and metabolism of living things are encoded in the Genes.All cells have a copy of the hereditary material, DNA. The theory that accounts for the differences that divide and the unity that joins all living things is the evolution theory.</span>