Re: News: Life got bigger in two, million-fold leaps, scientists say

On 2008-12-23, Robert Karl Stonjek <rstonjek@xxxxxxxxxxxxxx> wrote:
Life got bigger in two, million-fold leaps, scientists say
December 22nd, 2008 in Space & Earth science / Earth Sciences

[snip]

"All of the oxygen in the atmosphere ultimately exists because of the
evolution of cyanobacteria," Payne said. "Plants that produce oxygen today
during photosynthesis, their ability to do that is ultimately derived from
cyanobacteria."

[snip]

This seems to answer the question I raised here recently but only got
one (partial) answer to. The origin of atmospheric oxygen was
photosynthesis. This is certainly what Christian de Duve says in his
1995 book 'Vital Dust'.

Anthony Campbell

--
Anthony Campbell - ac@xxxxxxxxxxxxxxxx
Microsoft-free zone - Using Debian GNU/Linux
http://www.acampbell.org.uk (blog, book reviews,
and sceptical articles)


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