What was the result of the expansion of the universe?

The first organisms that appeared on Earth were

$A$: Theory of biogenesis explains that life arises from pre-existing life. $R$: Louis Pasteur finally disapproved the theory of spontaneous generation of life.

The formation of a new species is associated with which trait?

What does the term 'Abiogenesis' mean?

The scientist associated with the theory of biogenesis and experiments with swan-necked flasks is