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

Presentation Embed Code

Download Presentation

Download Presentation The PPT/PDF document "Four processes were needed for the spont..." is the property of its rightful owner. Permission is granted to download and print the materials on this website for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.

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 . Early Life on earth. The evidence for the earliest life is highly controversial and still debated. Much of the debate surrounds the oldest . fossils.. The timespan that considers the biological and geological context for the emergence of life on the Earth includes the . Chemical conditions of the early Earth. . A model for the first cells. First life. Life changes the planet: oxygenating Earth’s oceans and atmosphere. Eukaryotic cells descended from prokaryotic cells. 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?. Allen Hainline. Ratio Christi Philippines. omega_sw@yahoo.com. www.OriginsDiscussion.info. Outline. “After reading . Origins of Life. … it is clear [chemical] evolution could not have occurred” Nobel Prize . 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. “…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 . 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 . distribution, and future of life in the universe . Reminder:. No class this Wednesday, Happy Thanksgiving!. Next Monday: primarily review. Next Wed: YOU each do class presentation (30 % of your final). 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. 1. Artist’s Conception of Earth 3 billion years ago. 2. 3. I. . . Concept 25.1: The Origin of Life. A. Introduction. 1. Conditions at this time on Earth were such that life could have arisen by .

Download Document

Here is the link to download the presentation.
"Four processes were needed for the spontaneous origin of life on early Earth:"The content belongs to its owner. You may download and print it for personal use, without modification, and keep all copyright notices. By downloading, you agree to these terms.