Traditional forms shows the evolutionary steps between species
        
             
        
        
        
Microorganisms can be defined as the organisms which are seen with the aid of microscope. This category includes the bacteria, algae, fungi, protozoa and viruses. These microorganisms play an important role in the decomposition of the biological materials. The nutrients are also recycled by these microorganisms. the microorganisms bound in a soil serve this purpose. Moreover, the microorganisms, such as algae carry out the process of photosynthesis and make their own food.
Some of the microorganisms have complex relationships with different animals and plants both, which help in their survival.
Hence, the right options will be "carry out photosynthesis, decomposition, and nutrient recycling'.
 
        
             
        
        
        
The answer is DNA polymerase
        
             
        
        
        
Chronic hepatitis is usually caused by contaminated needles due to drug use or sexually transmitted disease. Acute hepatitis is usually caused by the hepatitis A infection due to poor living conditions.