What information would a biologist most need to know about an area to identity an ecosystem? the highest degree of latitude the biotic and abiotic factors therethe predators and the prey that live therethe longitude of the area

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

Most of the carbon on earth is stored in the form of

The smallest parts of these that retain their original properties are called