Scientists have various beliefs as to how life started. So which belief of scientists is correct?
Here are some theories as to how the first organisms said to be on the only known home life in the universe developed from -- the famous primordial soup:
1. Lightning may have provided the spark needed for life to begin.
2. Life began at deep-sea vents.
3. Life had a chilly start.
4. Understanding DNA
5. Simple origins. Instead of developing from complex molecules such as RNA, life might have begun with smaller molecules interacting with each other in cycles of reactions.
6. Brought here from outer space.
Last, but not least, the article explaining the various theories of scientists, ends up by saying: Oh, and if you thought all that was mysterious, consider this: Scientists admit they don't even have a good definition of life!
7 Theories on the Origin of Life