Explain the supply limitation of natural resources

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?

Wich organism obtains its energy from dead or decaying matter

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