Answer:
it is number 2 becuase it both has to be the same
Explanation:
 
        
                    
             
        
        
        
Answer: C 
one grade level because they made up many groups of students
        
             
        
        
        
Answer:
Decrease in genetic diversity reduces the chance of variation in the offspring. 
Explanation:
If there is no variation, there will be no evolution. So, if there is a change in the environment (like an outbreak of a disease) that affects one of the organisms, it is likely to affect all of them and destroy the whole population. This would lead to extinction.
 
        
             
        
        
        
Answer 
Step 1: taken in by plants during photosynthesis.
Step 2: The animal eats a plant and uses it carbohydrates for energy.
Step 3: The animal releases the carbon dioxide back into the atmosphere during respiration.
Step 4: The cycle repeats when the carbon stored in the atmosphere as carbon dioxide gas is taken in.
Hope this helps!
        
             
        
        
        
 They are most related to  damselflies.