A plant continues to grow throughout its life through the use of a process called "b. photosynthesis." photosynthesis is an essential part of the plant's life which gives it energy to grow. 
        
             
        
        
        
Answer:
I belive that the answer is B
Explanation:
a and d are definately not it. Molusca sounds like a phylum name to me. Sounds very similar to mollusks.
 
        
             
        
        
        
It would be the kidneys, small and large intestine
        
             
        
        
        
It would be best to use a glass graduated beaker for the volume and a digital scale for the mass
        
             
        
        
        
Remnant of a structure that may have had an important function in a species' ancestors, but has no clear function in the modern species.