Images 3

The origin of life

By 1378273
  • 600 BCE

    Creationist

    Creationist
    This theory is based on religion, it states that God created Earth and its inhabitants in 6 days, and also rested 1.
  • 384 BCE

    Spontaneous Generation

    Spontaneous Generation
    This theory talks about life comes from non living matter.

  • Biogenesis

    Biogenesis
    According to this theory, life gets created from more living things, but from giving beings, non organic things are never going to originate.

  • Physical-Chemical

    Physical-Chemical
    According to Oparin, in 1923, The primitive earth's atmosphere was a reducing type of atmosphere and not oxidising type.
    The first life arose from a collection of chemical substances through a progressive series of chemical reactions.

  • Endosymbiotic Theory

    Endosymbiotic Theory
    This theory explains the origin of the chloroplast and the mitochondria.

  • Panspermia

    Panspermia
    According to this theory, life comes from outer space, a meteorite fell in 1969 containing amino acids, meaning that with certain conditions, organisms could have originated.