Oxygen, Evolution’s Achilles Heel

Earth Atmosphere

Oxygen is one of life’s most essential atomic elements. As molecular biologist Michael Denton highlights in his book “Nature’s Destiny: How the Laws of Biology Reveal Purpose in the Universe,” oxygen is the key element for “one of the most important chemical reactions on Earth.”

While oxygen is the third most abundant chemical element in the universe, after hydrogen and helium, oxygen is the most abundant chemical element by mass in the Earth’s biosphere, air, sea, and land, adding one more agonizing Achilles Heel to the theory of evolution.

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Oxygen-Free Atmosphere

Oxygen Scientists have long known that extremely low levels of free oxygen [< 10-5] atmosphere on early Earth are critical for any viable origin of life model of evolution.

The controversy surrounding the atmospheric concentration of oxygen in the origin of life stems from the laws of organic chemistry.

The autonomous assembly of complex organic molecules has only been observed in an oxygen-free atmosphere. 

However, the evidence for an oxygen-free Earth atmosphere has a checkered history.

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