List the main stages of biological evolution that took place in the biosphere before the emergence of life on land.

The main stages of biological evolution:
1.the appearance of coacervate drops,
2.the appearance of the shell
3.the appearance of the cell,
4.the appearance of photosynthesis,
5.the appearance of the kernel,
6.the emergence of multicellularity,
7.with the appearance of the nucleus, the appearance of the sexual process.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.