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abiogenesis    
n. 自然发生,生物自生,偶发

自然发生,生物自生,偶发

abiogenesis
n 1: a hypothetical organic phenomenon by which living organisms
are created from nonliving matter [synonym: {abiogenesis},
{autogenesis}, {autogeny}, {spontaneous generation}]

Abiogenesis \Ab`i*o*gen"e*sis\, n. [Gr. 'a priv. bi`os life
ge`nesis, origin, birth.] (Biol.)
The supposed origination of living organisms from lifeless
matter; such genesis as does not involve the action of living
parents; spontaneous generation; -- called also {abiogeny},
and opposed to {biogenesis}.
[1913 Webster]

I shall call the . . . doctrine that living matter may
be produced by not living matter, the hypothesis of
abiogenesis. --Huxley,
1870.
[1913 Webster]

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  • Abiogenesis - Wikipedia
    Abiogenesis or the origin of life (sometimes called biopoiesis) is the natural process by which life arises from non-living matter, such as simple organic compounds
  • Abiogenesis | Definition Theory | Britannica
    Abiogenesis, the idea that life arose from nonlife more than 3 5 billion years ago on Earth Abiogenesis proposes that the first life-forms generated were simple and gradually became increasingly complex Biogenesis, in which life is derived from the reproduction of other life, was presumably preceded by abiogenesis
  • How Did the First Cell Form? The Steps of Abiogenesis
    Abiogenesis is the process by which the first cell formed from non-living matter This chemical journey occurred on a primitive Earth under conditions profoundly different from today The early atmosphere lacked free oxygen, which would have destroyed delicate organic molecules The surface was subjected to intense volcanic activity, harsh radiation, and electrical storms Abiogenesis
  • Abiogenesis: Definition, Theory, Evidence Examples
    Abiogenesis, Definition and Overview Abiogenesis is the natural process by which living organisms arose from nonliving organic molecules Simple elements combined to form compounds; the compounds became more structured and involved different substances Eventually, simple organic compounds were formed and linked to produce complex molecules such as amino acids Amino acids are the building
  • Abiogenesis Gets Another Reality Check | Science and Culture Today
    When it comes to biological life, even the simplest single-celled organism is an astonishingly complex multi-part system
  • What Were the Chances of Abiogenesis? - Universe Today
    Life arose early in Earth's history Was this an inevitable process, or an extremely unlikely event that happened early on, and what does this tell us about the likelihood of life on other worlds
  • Abiogenesis - Simple English Wikipedia, the free encyclopedia
    Abiogenesis is the idea that life began from non-living things a long time ago It explains how the very first tiny living organisms might have formed from simple chemicals on early Earth, before there was any life at all
  • What Is Abiogenesis? The Scientific Origin of Life
    Abiogenesis is the scientific study of how life could have arisen from non-living matter through natural processes This field is distinct from evolution, which describes the processes by which existing life changes and diversifies In essence, abiogenesis addresses the origin of life itself, while evolution explains what happens after life has begun Early Earth’s Environment Roughly four
  • Life - Origin, Evolution, Abiogenesis | Britannica
    Life - Origin, Evolution, Abiogenesis: Perhaps the most fundamental and at the same time the least understood biological problem is the origin of life It is central to many scientific and philosophical problems and to any consideration of extraterrestrial life Most of the hypotheses of the origin of life will fall into one of four categories: Hypothesis 1, the traditional contention of
  • ABIOGENESIS Definition Meaning - Merriam-Webster
    The meaning of ABIOGENESIS is the origin of life from nonliving matter; specifically : a theory in the evolution of early life on earth: organic molecules and subsequent simple life forms first originated from inorganic substances How to use abiogenesis in a sentence





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