What type of life is most likely to exist in the universe?

Question asked by: mrquestion

Asked on: 26 Jan 2010

It seems fairly certain from what we know on earth that single celled life is what would constitute most extraterrestrial life.

To get to having lots of cells, you first need to have a single cell.

And the research we've done on earth suggests that single celled life came about reasonably quickly after the earth 'settled down' but that after that there was a very large period before multi-celled life came about. And single-celled life still proliferates today of course, with also enigmas such as viruses which are hard to classify as alive in many senses of what we usually think constitutes life.
By: knowitall
Replied at: 26 Jan 2010
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