Answer:
SE we are humans so we cant beat you if your front of me iwill beat you very badly
Explanation:
 
        
             
        
        
        
If only one type of tree is planted in an abandoned field, the ecosystem will contrail<span> little genetic variability. This is not a healthy way of planting. This can lead to the total destruction of the trees. I hope that this is the answer that you were looking for and the answer has actually come to your desired help.</span>
        
             
        
        
        
There are many reasons why it is important to monitor the environmental parameters. The activities of the humans had a great impact on the environment. Through monitoring, we will be able to understand and learn the factors that affect the environment and how to minimize it. 
        
             
        
        
        
Heredity or something like that I don’t speak English sorry
        
             
        
        
        
When a biologist counts the number of zebras in a population each year and notices an increase in the zebra population, this would be an example "of <span>observation"</span>