Answer: Such constant change has characterized Earth since its beginning some 4.5 billion years ago. From the outset, heat and gravity shaped the evolution of the planet. These forces were gradually joined by the global effects of the emergence of life.
Explanation:
 
        
             
        
        
        
It would be fittest
hope this helps
        
             
        
        
        
Answer:
plasma membrane, ribosomes...
Explanation:
Both prokaryotic and eukaryotic cells have structures in common. All cells have a plasma membrane, ribosomes, cytoplasm and DNA... The cytoplasm is all the contents of the cell inside the cell membrane, not including the nucleus.