Aupmanyav
Be your own guru.
Life, animal, vegetation; that is your classification. Life is life.The first "life" wasn't animal, it was vegetable. Ferns, lichens, mosses, algae...that was the first life. How do these procreate and regenerate?
The first life was like RNA viruses and are termed as Eukaryota.
"Notable human diseases caused by RNA viruses include the common cold, influenza, SARS, MERS, COVID-19, Dengue Virus, hepatitis C, hepatitis E, West Nile fever, Ebola virus disease, rabies, polio, mumps, and measles."
RNA virus - Wikipedia
en.wikipedia.org
Three-domain system - Wikipedia
en.wikipedia.org
How do procreate and regenerate?
That Process is known as Mitosis.
"In cell biology, mitosis is a part of the cell cycle in which replicated chromosomes are separated into two new nuclei. Cell division by mitosis gives rise to genetically identical cells in which the total number of chromosomes is maintained."
Mitosis - Wikipedia
en.wikipedia.org