関連する実験動画

Updated: Jul 12, 2026

Laboratory Simulation of an Iron(II)-rich Precambrian Marine Upwelling System to Explore the Growth of Photosynthetic Bacteria
09:45

Laboratory Simulation of an Iron(II)-rich Precambrian Marine Upwelling System to Explore the Growth of Photosynthetic Bacteria

Published on: July 24, 2016

プレカンブリア時代の陸上の生命

R J Horodyski, L P Knauth

    Science (New York, N.Y.)
    |January 28, 1994
    PubMed
    まとめ

    アリゾナとカリフォルニアのパレオカルストの堆積物で見つかった古代の微生物化石は,初期の微生物生命がプレカンブリア時代の地球に大きな影響を与えたことを示唆しています.

    さらに関連する動画

    Establishment of Microbial Eukaryotic Enrichment Cultures from a Chemically Stratified Antarctic Lake and Assessment of Carbon Fixation Potential14:38

    Establishment of Microbial Eukaryotic Enrichment Cultures from a Chemically Stratified Antarctic Lake and Assessment of Carbon Fixation Potential

    Published on: April 20, 2012

    Simulation of Early Earth Hydrothermal Chimneys in a Thermal Gradient Environment06:29

    Simulation of Early Earth Hydrothermal Chimneys in a Thermal Gradient Environment

    Published on: February 27, 2021

    関連する概念動画

    The Colonization of Land02:22

    The Colonization of Land

    Changes in the environment of the early Earth drove the evolution of organisms. As prokaryotic organisms in the oceans began to photosynthesize, they produced oxygen. Eventually, oxygen saturated the oceans and entered the air, resulting in an increase in atmospheric oxygen concentration, known as the oxygen revolution approximately 2.3 billion years ago. Therefore, organisms that could use oxygen for cellular respiration had an advantage. More than 1.5 years ago, eukaryotic cells and...
    Origin of Cellular Life01:24

    Origin of Cellular Life

    The origin of life on Earth is a complex and enigmatic event rooted in ancient biochemical processes and geological conditions. Experimental evidence supports the hypothesis that life began with the spontaneous formation of organic molecules such as RNA nucleotides, amino acids, and lipids under early Earth conditions. Factors like volcanic activity, intense UV radiation, and a reducing atmosphere without free oxygen likely facilitated these reactions. Hydrothermal vents on the ocean floor are...
    What is Evolutionary History?02:35

    What is Evolutionary History?

    Scientists record evolutionary history by analyzing fossil, morphological, and genetic data. The fossil record documents the history of life on Earth and provides evidence for evolution. However, both fossil and living organisms offer evidence that outlines Earth’s evolutionary history.Phylogenetic trees illustrate the evolutionary relationships among these organisms. Scientists infer organisms’ common ancestry by evaluating shared morphological and genetic characteristics. Together, the fossil...
    Conditions on Early Earth02:06

    Conditions on Early Earth

    Around 4 billion years ago, oceans began to condense on earth while volcanic eruptions released nitrogen, carbon dioxide, methane, ammonia, and hydrogen into the primordial atmosphere. However, organisms with the characteristics of life were not initially present on earth. Scientists have used experimentation to determine how organisms evolved that could grow, reproduce, and maintain an internal environment.
    Conditions on Early Earth02:06

    Conditions on Early Earth

    Around 4 billion years ago, oceans began to condense on earth while volcanic eruptions released nitrogen, carbon dioxide, methane, ammonia, and hydrogen into the primordial atmosphere. However, organisms with the characteristics of life were not initially present on earth. Scientists have used experimentation to determine how organisms evolved that could grow, reproduce, and maintain an internal environment.
    Introduction to Plant Diversity02:22

    Introduction to Plant Diversity

    From Water to Land