EASY WORK HELP ME  Information about the cactus moth DO NOT USE WIKIPEDIA

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

Which is one example of a phenotypic change that is not genetic

Does all the energy stored by the phytoplankton reach the top level of the pyramid