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There are currently no evidence that life on earth happened more than once.
by noselasd 8y ago
There are currently no evidence that life on earth happened more than once.
- JoeAltmaier 8y agoHow about the multiple principles of life observable in what we see? Not just plants vs animals or fungi, Sulphur-based life chemistry, iron vs copper blood in higher orders and so on?
- 317070 8y agoCurrently, all life we know of fits into a single tree of life. All known lifeforms for instance agree on using RNA for something, hence the RNA world hypothesis. I would also be interested in a study which points to the opposite.