The answer is all of the because
        
             
        
        
        
Answer:
check explanation
Explanation:
If you are talking about adapting to an environment then yes, like how we train to strengthen our muscles to get stronger. If you mean by evolving then no, a single organism can not evolve their traits in a lifetime, like a human can't naturally grow gills to breathe underwater
 
        
                    
             
        
        
        
Answer:
The Law of Conservation of Mass tells us that matter is neither created nor destroyed during a chemical reaction. Atoms can be rearranged to form new compounds, but the total mass of the system remains constant.
 
        
             
        
        
        
Look it up if you are stressing.
 
        
             
        
        
        
Answer:
The correct answer is - chromatin network.
Explanation:
Chromatin network is the scientific term used for the description " tangled network of chromosomes located within the nucleus". It is the network that contains the DNA of the nucleus and if the protein and DNA both are present called chromatin.
Chromosomes are present in the nucleus within the chromatin network tangled. Chromatin network packaging part for the DNA. It packs all the DNA or long chromosome in the nucleus inside a cell.