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8 votes
8 votes
Why weren’t plants the first form of life to appear on earth

User RKodakandla
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2 Answers

30 votes
30 votes
because the animal eat leaves
User Afx
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16 votes
16 votes
With an environment devoid of oxygen and high in methane, for much of its history Earth would not have been a welcoming place for animals. The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old.
User Zabrina
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