Answer:
Invertebrates are the organisms in which backbone or vertebral column is absent. 
The three macroinvertebrate categories are annelids, mollusks and arthropods. 
Annelids are the organisms having segmented body. They are found in moist places. Examples are leeches and earth worms. 
Mollusks are the organisms which are enclosed in a calcium carbonate shell. Examples are snails and slugs. 
arthropods are the invertebrates which have segmented body and jointed appendages. Examples are insects and crustaceans etc. 
 
        
             
        
        
        
Answer:
Test the effect of ultraviolet radiation on bacteria growth
 
        
                    
             
        
        
        
D: The reactions take place in the thylakoid of the chloroplast.
        
                    
             
        
        
        
Sorry i cant see that question
        
             
        
        
        
Answer:
I dont understand. Some finches eat fruit, some eat bugs?