EasyZoologyOrigin of life
+4 / -1
A
We have no idea about how the first self replicating metabolic capsule of life arose.
B
The first non-cellular forms of life could have originated 3 billion years back. They would have been giant molecules (RNA, Protein, Polysaccharides, etc.). These capsules reproduced their molecules perhaps.
C
The first cellular form of life did not possibly originate till about 2 million years ago. These were probably single-cells.
D
All life forms were in water environment only. This version of abiogenesis, i.e., the first form of life arose slowly through evolutionary forces from non-living molecules is accepted by majority.
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