Sentences with phrase «cambrian explosion»
Before the cambrian explosion (nonterrestrian life) multicellular animal fossils are known only from Vendian which is after «snowball earth» times.
https://climateaudit.org/
You are comparing today's CO2 levels to the CO2 levels that existed during the «cambrian explosion», a time when multicellular fauna started emerging (and farting), how is that long lost world even relevant to auditing CH4 in today's biosphere?
(about 650 to 500 million years ago) 8s)??? 9s) animal life appears in the cambrian explosion (about 540 million years ago) The first Fish appear about 400 million years ago.
... The «cambrian explosion» happened over 300 million years... and also coincidentally was around the time oxygen became a large component of our atmosphere, allowing the diversity of life to explode since aerobic life tends to be much more efficient at metabolising food.