floofloof OP , 5 hours ago Wouldn't LUCA by definition be the last common ancestor of every organism of which we have evidence? If so then by definition we wouldn't have evidence of those other lineages. Or is it just the last common ancestor of everything currently alive?
Wouldn't LUCA by definition be the last common ancestor of every organism of which we have evidence? If so then by definition we wouldn't have evidence of those other lineages. Or is it just the last common ancestor of everything currently alive?