Humans benefit from the domestic dog because they reduce stress, they can prevent depression, and they can improve your health. Dogs benefit from humans because they love the bond they have with their owner.
        
             
        
        
        
Answer:
They cary seeds and pollen 
there poop  fertilizeres the plants 
They kill other animals that eat plants 
Explanation:
 
        
                    
             
        
        
        
I believe the substrate for lactic acid formation would be A. Glucose
        
             
        
        
        
C. Positive Feedback
This is because a response to a stimulus( low blood pressure) acts in the same direction as the stimulus ( even lower blood pressure).
This is opposed to negative feedback where the response would go in the operate direction of the stimulus ( I.e. blood pressure increasing in response to low blood pressure)
 
        
             
        
        
        
Decreased rate of photosynthesis in vegetation