2 ms·
Not necessarily. It might have happened that different types of chemistry appeared, but as life evolved, one type pushed out the other. So we can't really tell
by cLeEOGPw 12y ago
Not necessarily. It might have happened that different types of chemistry appeared, but as life evolved, one type pushed out the other. So we can't really tell if life happens easily or not from the fact that there's one type of biochemistry here.