Explain conjugation in paramecium​

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen

How does science influence the decisions made about social, economic, and political issues?

Light sensitivity in euglena is provided by the