Niche refers to the role of the microorganism or a living thing in an ecosystem. When two organisms occupying the same niche, the possible long-term consequence isA. local extinction. This is because the relationship is competition which can outlast the other. Eventually, when the environment is changed, the organisms adapt too which erases the original attributes. 
        
                    
             
        
        
        
Answer:
Option D. Car companies have developed hybrid cars.
Explanation: 
Nowadays car companies have developed hybrid cars. In hybrid cars, the cars are moved by using electric energy instead of fossil fuels. Hybrid cars uses batteries which can be charged by electricity and this store electricity is used to run cars. These types of cars reduce carbondioxide emissions and decrease occurs in air pollution. 
 
        
                    
             
        
        
        
Answer: B. The blood is circulated out of the body for cleansing and then returned.
Explanation:
Hemodialysis is a medical therapy in which the patient's blood is taken out with the help of tubes and treated out of the body. The blood is pumped out using the blood compartment. The blood is circulated using a external filter, that is called as dialyzer. The blood get cleansed and impurities are removed and purified blood returned via circuit back to the body. This technique is used to control the blood pressure and balance of important minerals in the body that involves the potassium, sodium and calcium in the blood. 
Based on the above information, option. B is the correct option. 
 
        
             
        
        
        
Kingdom plantae is the only kingdom that contains all of those characteristics
        
                    
             
        
        
        
According to the repost made by US Surgeon General
released in 2014, a total of 7,787,000 people died from smoking induced
cardiovascular disease from 1965 to 2014. Cigarette smoking and second-hand
tobacco smoke has been causally linked to cardiovascular diseases.