Louis Pasteur by careful experimentation demonstrated that/the
Phenomenon of chemical evolution
There is spontaneous generation of life
Life comes from pre-existing life
Abiogenic origin of life
Krebs' cycle, glycolysis, lipogenesis, enzymes, all of these indicates
Gill clefts and notochord appear in the embryonic development of all vertebrates from fishes to mammals. This supports the theory of
Assertion : From evolutionary point of view, human gestation period is believed to be shortening.
Reason : One major evolutionary trend in humans has been the larger head undergoing relatively faster growth rate in the foetal stage.