Of course, one outcome of a shorter period during which oxygen is stable enough for complex life is — the obvious one — that all that bewildering complexity of life had to just sort of fall into place in a shorter period of time. If that’s unlikely, it’s an argument for underlying design.
But the Great Oxidation Event didn’t occur until 500 million years later. Sounds like the unfolding of a plan, actually.
Devolution, of which this is an example, may be more common than we suppose and will probably have precisely the effect of creating “exceptions” like this. Note that we are told, “they likely steal energy from their host using some type of proteins.” It makes sense that many devolved creatures are parasites. They can afford to throw away equipment if they are using the host’s toolbox anyway.
Researchers: Our team of geologists, physicists and biologists had found hints in fossilized stromatolites that arsenic was the chemical of choice for ancient photosynthesis and respiration.
Perhaps its only in imagination that things can just randomly swish into existence and grow very complex, given enough time. The thing is, there isn’t enough time.
A new paper tests the hypothesis that stable temperature was the key — cold but stable.
Researchers have found that the presence of oxygen in a planet’s atmosphere may not be a strong indicator of life: Simulating in the lab the atmospheres of planets beyond the solar system, researchers successfully created both organic compounds and oxygen, absent of life. The findings, published Dec. 11 by the journal ACS Earth and Space Read More…
According to the latest research, we learn from ScienceDaily: Earth’s oxygen levels rose and fell more than once hundreds of millions of years before the planetwide success of the Great Oxidation Event about 2.4 billion years ago, new research from the University of Washington shows. The evidence comes from a new study that indicates a Read More…