Answer:
The cell is eukaryotic because it contains mitochondria.
nucleus
Explanation:
 
        
             
        
        
        
These include the chemical. cellular. tissue organ. organ system and the organism level
        
             
        
        
        
Answer:
Biodiversity
Explanation:
Biodiversity or also called biological diversity is the variation among life on Earth. It encompasses all life form on Earth including plants, animal, microbes etc. 
According to the question, bodiversity is the ultimate source of renewable energy on Earth. It is renewable because life has the ability to reproduce, and the greater the reproduction, the higher the probability tibd