Hello! The answer is false. 
It is actually the opposite. The notochord is a primitive axial skeleton, and in humans, it disappears. It eventually becomes part of the vertebral column, which is the backbone that we have today.
Hope this helps!
 
        
             
        
        
        
I think the answer would be A because the fish does look like a plant
        
             
        
        
        
Bacteria does not contain membrane boung organelles therefore are prokaryotic and I also know they are unicellular. and they are definitely not multicellular so the answer is : c
        
             
        
        
        
Answer:
B. Convergent and subduction zones can cause trenches
Explanation:
 
        
                    
             
        
        
        
Between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms.