The first one is C. Varying in shapes of forelimbs
The second one is B. Enable members of a phylum to survive and reproduce.
The third one is B. Deuterostome development
 
        
             
        
        
        
Hello there
the answer is central nervous system
Hope this helped best regards Queen Z
 
        
             
        
        
        
<span>The causes for recent amphibian declines are many, beacuse of an emerging disease called chytridiomycosis . Chytridiomycosis is a disease caused by the fungal chytrid pathogen Batrachochytrium dendrobatidis.
I hope this helps! :D</span>
        
                    
             
        
        
        
B. prokaryotes because they do not contain organelles or a nucleus. the following above in the question all are eukaryotic and contain organelles and a nucleus