DescriptionBiotic components, or biotic factors, can be described as any living component that affects another organism or shapes the ecosystem. So the answer would be 1 an 2
        
                    
             
        
        
        
It's C. RNA uses Uracil in place of Thymine 
<span>TGCAAT
</span><span>ACGUUA</span>
        
                    
             
        
        
        
The answer is False
It is a skeletal muscle that consist of a muscle and nerve
        
             
        
        
        
Let me try...
How about, grass, moose(moose eats grass), black fly(when moose dies it's eaten by fly), fish(fish can catch flies sometimes), and then Osprey(birds eat fish).
The second one... How about, grass, deer(deer eats grass), then wolf(eats deer), the mosquito(sucks wolf's blood), I don't know the dragon fly though
HOPE THAT HELPED SOMEWHAT :)