How old is the universe?

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

The origin of the Earth dates back to

Who first conducted an experiment on evolution to prove the biochemical origin of life?

The embryonic development of an animal from the zygote to the adult stage is known as:

Two statements regarding the origin of life are given below:
$(a)$ The first organisms that emerged on Earth are believed to have been devoid of chlorophyll and incapable of respiration.
$(b)$ The first food-producing organisms were chemosynthetic and never released oxygen.
Based on the above statements,which of the following options is correct?