Asap   which of the numbered labels is pointing to a transport organelle in the diagram? a) 1 and 2 b) 4 c) 5 d) 6 and 7 sorry it wont let me post the picture of it

Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled