Answer:
Yes it is helpful
Explanation:
Not only do we live in harmony with these beneficial bacteria, but they are actually essential to our survival. Good bacteria help our bodies digest food and absorb nutrients, and they produce several vitamins in the intestinal tract — including folic acid, niacin, and vitamins B6 and B12.
 
        
             
        
        
        
Answer:
Specitation increases biodiversity, while extinctions decrease biodiversity.
Explanation:
Biodiversity is the variety of life on Earth or some specified geographic area of the planet; the diversity of life occurs at the genetic level, at the species level, at the ecosystem level, and in evolutionary lineages.
 
        
                    
             
        
        
        
Answer:
A community is all the populations in an area. The terms Population and Community are used in ecology to describe a group of different species inhabiting the same geographical space at a particular time. These diverse organisms stay together because of the need of food.
Explanation: hope this helps