How did cyanobacteria aid the evolution of complex life on land? do you think cyanobacteria are as significant to this process today as
they were during precambrian time?
need asa its timed

answer:

,answer: cyanobacteria aid to evolution of complex life on land during precambrian time as it was the main source of oxygen at that time. they performed photosynthesis and produced oxygen that led to evolution of complex life forms on earth. this is because there are more sources of oxygen present today.

the correct answer should be false

{apex}