Answer:
Perhaps try adding a conflict? If a story's all happy-go-lucky, it won't draw the reader's interest. For example, 
- Sabotage by a so-called friend
- Becoming I'll
- Group Project
- Being given an assignment that you're scared to do (for example, public speaking.
 
        
             
        
        
        
They can have As geneticists both can be either (bb) because most brown-eyed  people have homozygous for the relevant.
        
                    
             
        
        
        
Answer: The arteries (the aorta)
        
                    
             
        
        
        
Answer:
Scientists know that any response during an experiment is associated only with that cell type.
Explanation:
A cell culture is a group of cells that develops from a single original cell. Biologists can use cell cultures to test cell responses under controlled environmental conditions in order to study interactions between cells, and different processes occurs in it. Cell culture is one of the major tools used in the study of physiology and effect of toxic substances on the cells.
 
        
             
        
        
        
Answer:
the answer is D ecosystem