Explain how the formation of the ozone layer contributed to life forming on land?

by Anonymous
(Earth)

Uv rays and photosynthesis(?).

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The Ozone Layer and Evolution
by: Marie

Photosynthetic beings helped the formation of the ozone layer. Since the ozone layer protects cells from UV radiation (thus preventing deleterious mutations) it allowed the appearance of species that explored terrestrial and aerial environments and were more exposed to sunlight than aquatic species.

I am not sure but I think this is the answer for this question.

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