III.	enzyme pathways in the mitochondria produce ATP in a process that requires oxygen.
        
                    
             
        
        
        
Explanation:
 The experimenter alters the independent variable with the hopes of collecting data about how the dependent variable changes in response.Other variables have to be controlled so that any changes of the dependent variable are attributed to the known independent variable.
 
        
             
        
        
        
Habitat is where it lives, and it's niche is what other organisms it interacts with,what it eats, basically its job in an environment . Think of habitat as the address of the organisms house and the niche kinda like the job it has.
        
                    
             
        
        
        
It’s b beachside it causes respiration
        
             
        
        
        
All organisms interact with their environment. choose one of the biogeochemical cycles and explain how various types of organisms are part of that cycle and help recycle the substance in an ecosystem. One example of how human activity has impacted the cycle is that humans have polluted the water making it unsafe and in some cases not suitable to support life.