The correct option is D.
The Taiga biome, which is also known as the coniferous forest has been described as the largest terrestrial biome because it extends across some continents of the world. The biome typically has short summers, which can be very wet and winters, which are long and can be very cold. The majority of plants in taiga biome are conifers and these plants are described as ever green because they remain green all year round. 
 
        
                    
             
        
        
        
<span>Archaebacteria is usually found in extreme environments and eubacteria is not found in environments. Also, eubacteria cell walls contain peptidoyclan. They are both prokaryotic cells.
Hope this helps!
-Payshence xoxo</span>
        
             
        
        
        
Protista are unicellular organisms that do have a nucleus. They can reproduce both sexually and asexually. They live in moist environments. 
<h3><u>Explanation:</u></h3>
Kingdom Protista consists of the organisms that are unicellular or pseudo multicellular and they are eukaryotic in nature. 
The classes under Protista consists of Chrysophytes, Dinoflagellates, Slime moulds, Euglenoids and protozoans. These organisms are all unicellular. They are all the eukaryotic organisms. Euglenoids are photosynthetic where the protozoans are consumers and Slime moulds are saprophytic. They prefer to live in water or moist lands. These organisms can reproduce both asexually or sexually. 
 
        
                    
             
        
        
        
Answer:
I hope this answers your question. Some people can't get certain vaccines when they are certain ages. If you are too young(just born) or too old, you may not want to have vaccines that can be hard on your body. People with certain health risks shouldn't get vaccines either. Another example would be someone has a severe reaction to a vaccination, they shouldn't get a booster for the vaccine in the future. 
Explanation:
 
        
             
        
        
        
Answer:
I think its probably nucleic acid (because it has a phosphate group).