The earliest organisms were completely heterotrophic in nature. why?
a. the primitive atmosp...
Biology, 24.08.2019 03:30 calraezaj2020
The earliest organisms were completely heterotrophic in nature. why?
a. the primitive atmosphere lacked sunlight. primitive organisms did not have a system complex enough to use for other sources for photosynthesis.
b. the primitive atmosphere lacked oxygen. primitive organisms did not have a way to break down the oxygen in water.
c. the primitive atmosphere lacked carbon dioxide. primitive organisms did not have a way to obtain carbon dioxide for photosynthesis.
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