The Secret of Eyes
Aug 2025 · GM Kids Series 576 Book 292 · GOS Education Inc.
Ebook
35
Pages
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Eligible
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About this ebook
About 3.8 billion years ago, the first life forms on Earth did not have eyes.
However, some mutated bacteria that could sense sunlight were an exception.
During the day, bacteria stayed underwater to hide from ultraviolet rays.
At night, they came up to the surface to get more light.
About 3.8 billion years ago, the first life forms on Earth did not have eyes.
However, some mutated bacteria that could sense sunlight were an exception.
During the day, bacteria stayed underwater to hide from ultraviolet rays.
At night, they came up to the surface to get more light.
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