PPT-Four processes were needed for the spontaneous origin of life on early Earth:

Author : welnews | Published Date : 2020-06-22

Nonliving synthesis of simple organic molecules All of the elements found in organic compounds are thought to have existed on Earth and in the rest of the solar

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Four processes were needed for the spontaneous origin of life on early Earth:: Transcript

Nonliving synthesis of simple organic molecules All of the elements found in organic compounds are thought to have existed on Earth and in the rest of the solar system when the Earth formed But . Lesson 2: Historical ideas about living things. Summarize some historical ideas about living things. Explain how evidence can change ideas. The microscope and its important role. Select evidence to support or disprove ideas. Formation of the Solar System. Formation of the Solar System. Scientists claim that 4.5 billion years ago there was just a featureless cloud of . gas..mostly. hydrogen and some helium with a little carbon and iron. Accident or Design?. Robert C. Newman. What Caused Life to Begin?. Did it begin by chance?. By the right things just accidentally happening to get a self-replicating system going?. Did it happen by design?. THE ORIGIN AND EVOLUTION OF MICROBIAL LIFE. HOW DID LIFE ORIGINATE?. SPONTANEOUS GENERATION. LIFE ARISING FROM NON-LIVING MATTER. LONG BELIEVED AS THE ACCEPTED EXPLANATION OF ORIGINATION OF LIFE. EXPERIMENTS EVENTUALLY SHOWED IT TO BE IMPOSSIBLE. Marc Hirschmann. University of Minnesota. CIDER Summer Program 2012. “DEEP TIME”. “How did early Earth become our modern world?”. July 1 – August 10. Tutorial/Workshop July 15-August 10. Application Deadline February 1. The Origin of Life. 350 BC Aristotle Greek. He was a philosopher. He can about his ideas by thinking not experimenting.. Life arose from non living matter by . spontaneous generation. 1600 AD Van . detachment . for ShangRing circumcision in boys and men: results from a randomised controlled trial. Objectives:. Assess the safety & effectiveness of a new modification to the ShangRing techniques called the . “…sparked by just the right combination of physical events & chemical processes…”. Bacteria. Archae-. bacteria. Animalia. Fungi. Protista. Plantae. 4500. 4000. 3500. 3000. 2500. 2000. 500. Producing life from non-living material. Experiment to disprove abiogenesis by Francesco . Redi. . mid-1600s. First record of a scientist using a . controlled experiment. .. Experiment. Results. Louis Pasteur . 2. Example #1. Observation:. . Every year in the spring, the Nile River flooded areas of Egypt along the river, leaving behind nutrient-rich mud that enabled the people to grow that year’s crop of food. However, along with the muddy soil, large numbers of frogs appeared that weren’t around in drier times. Conditions on early Earth made the Origin of Life possible.. Current theory about how life on Earth began.. Earth formed about 4.6 billion years ago.. Earth was too hot and still being bombarded by meteors, any water evaporated.. Protists. Chapter 16. How Ancient Bacteria Changed the World. Mounds of rock found near the Bahamas. Contain photosynthetic prokaryotes. 0. Stromatolites in northern Canada . Figure 16.0Ax1. Fossilized mats 2.5 billion years old mark a time when photosynthetic prokaryotes . Ankit Gupta MD, Kassem Harris MD . Primary Spontaneous Pneumothorax. Background. . Technical Details, Challenges and Management of Complications. Primary spontaneous pneumothorax (PSP) : Pneumothorax without any known underlying lung disease. Theories of origin of life. What is life?. The condition that distinguishes . animals and plants. from . inorganic matter. , including the capacity for . growth. , . reproduction. , . functional activity.

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