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Professor Hazen summarizes the course by reviewing three plausible scenarios for the origins of life: (1) life began with metabolism; (2) life began with a self-replicating strand of some genetic molecule; (3) life began as a cooperative chemical phenomenon, arising between metabolism and genetics.
We will explore one of the greatest unanswered questions of modern science: the origin of life. We will look at chemistry between the stars and on distant pl...
Origins of Life. All Episodes. Season. 1. All. Overview. 24 episodes. IMDB TVDB Fanart.tv. Ads suck, but they help pay the bills. Hide ads with VIP. Status Ended. Runtime 42m. Four billion years ago, the infant Earth was a seething cauldron of erupting volcanoes, raining meteors, and hot noxious gases, totally devoid of life.
- Spontaneous generation was popular for a long time. We can’t be sure when the first proposal for a god-like or spiritual creation theory of life was proposed, but one of the early “scientific” explanations offered was spontaneous generation.
- The Primordial Soup Theory has been very influential. First proposed in the 1920s independently by Alexander Oparin and John Haldane, the Primordial Soup Theory is probably the main scientific explanation for the origin of life you became aware of at school.
- Life may have started next to hydrothermal vents. Another popular theory today is the hydrothermal vent theory or deep-sea vent theory for the origin of life.
- Could life have been molded by clay? Another interesting theory about the origins of life on Earth involves clay. According to a theory proposed by organic chemist Alexander Graham Cairns-Smith, the first complex organic molecules could have used clay as a scaffold to form a pattern.
Adam Chapman. October 25, 2023. (2023-10-25) Covers the origin of life and the rules of evolution, including natural selection, adaptation, interaction and speciation, in addition to an overview of the series.
The timeline of the evolutionary history of life represents the current scientific theory outlining the major events during the development of life on planet Earth. Dates in this article are consensus estimates based on scientific evidence, mainly fossils.
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On March 25, 2019, YouTube cancelled the series after one season. Premise. Origin follows "a group of strangers stranded on a spacecraft bound for a distant planet. The abandoned passengers must work together for survival, but quickly realize that one of them is far from who they claim to be." [1] Cast and characters. Main.
