According to theory of directed panspermia:
Life originated from spores
Life originated spontaneously
There are civilizations at advanced stages on other planets in our galaxy, eventually they infected earth with some micro-organism for the creation of life
None of these
Theory of directed panspermia -
Theory on origin of life proposed by Nobel Laureate Francis Crick and Leslie Orgel.
- wherein
The theory says that there are civilizations at advanced stages on other planets in our galaxy; eventually, they infected earth with some micro-organism for the creation of life.
Correct option is 3