Using your knowledge gained from this lesson, order these "sequence of events" from OLDEST (bottom) to YOUNGEST (top) as though these fossils were found in the layers of the earth. multicellular organisms appear with more complex features
no life on earth
much diversity between organisms: plants and animals exist together
microorganisms begin to appear

the answer is option b.

explanation:

eutrophication happens when abundance supplements are available in oceanic biological systems, bringing about the expanded generation of vegetation and the resulting diminish in the oxygen levels of the water   eutrophication happens when there are abundance supplements in a waterway. this outcomes in plants having more sustenance and reproducing  more, here and there prompting more amphibian creature life also. eventually, this can decrease the oxygen level in the biological community.