Identify the correct statement:
1. As the coacervates do not have lipid outer membranes and cannot reproduce, they alone could not have been the precursors of life.
2. The microspheres could not be induced to constrict but had no large amount of diversity
3. The earliest life was probably not driven by the solar energy as is seen today
4. Protobionts cannot separate combination of molecules from the surroundings or maintain an internal environment but are able to reproduce.