Well, Euglena is in phylum Euglenophyta, and Paramecium is in phylum Ciliophora. You can verify that with a quick Google search. 
<span>Does that sort of narrow it down? :)</span>
        
                    
             
        
        
        
I believe it’s a. conserve water. the waxy coating doesn’t let as much water evaporate.
        
             
        
        
        
Answer:
d 
Explanation:
I have the answer I learn about it 
 
        
             
        
        
        
The best and most correct answer among the choices provided by your question is the second choice or number 2.
The two broad categories of plants are trachaeophytes and bryophytes.
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!