Infer why scientists hypothesize that chemical events preceded the

Infer why scientists hypothesize that chemical events preceded the origin of life on Earth?
Compare and contrast spontaneous generation and biogenesis   

 

Discuss why prokaryotic cells probably appeared before eukaryotic cells 
Hypothesize whether prokaryotic cells might have been symbiotic before the evolution of the 
eukaryotic cells 

 

Describe the hypothesized sequence of chemical and biological events that preceded the origin of 
eukaryotic cells  

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