Multi-cellular structures appeared approximately 700 million years ago. There were 2.3 billion years of single cell organisms. Original writing date: June 18, 2008 Out of curiosity, what is the difference, at the end…;
Multi-cellular structures appeared approximately 700 million years ago. There were 2.3 billion years of single cell organisms. Original writing date: June 18, 2008 Out of curiosity, what is the difference, at the end…;