The endosymbiotic theory opposes that mitochondria in eukaryotic cells rose from C. Endosymbiotic prokaryotes that metabolized oxygen.
 
        
             
        
        
        
Answer: a lot or. There is over 5 sapiebs 
Explanation: They are still looking for then
 
        
             
        
        
        
Answer:
DNA is a Deoxyribose nucleic acid and our Dna strand is double helix
Explanation:
I kow this because if you close you see two strands