Origin of life theories ppt. pdf), Text File (.


  1. Origin of life theories ppt. 5 Gy? Carbon isotope ratios: photosynthetic-like ratios 3. txt) or view presentation slides online. It is the core belief of major religions. 2. The puzzle lab activity simulates how theories and laws are created in science through experimentation, investigation, and evidence. Early Ideas about Origins of Life. Find information on LUCA, RNA world, and hypotheses for the first organic molecules. It explores various theories on the origin of life, such as the special creation theory, spontaneous generation, and abiogenetic synthesis, as well as the importance of biological systems and energy flow in Jul 21, 2014 · • It does not however, answer the question; How did life begin on Earth? • No one has yet scientifically proven how life on Earth developed, however, scientists have developed theories by testing scientific hypothesis about early Earth. The theory of abiogenesis proposed that living things could naturally arise from PowerPoint Presentation on the Origin of Life Theories This a simple, straight to the point presentation that explains how scientific laws and theory are different, how evidence is collected to support theories, and how they can change over time as new evidence and technology are available. It is useful to share insightful information on Panspermia Origin Of Life Theory This PPT slide can be easily accessed in standard screen and widescreen aspect ratios. 5 billion years ago from gases and dust particles in the solar system. proteins and nucleic acids, — a process requiring catalysts; How these were able to reproduce themselves; How these were assembled into a system delimited from its Jan 4, 2025 · Explore the evolution of life theories from biblical creation to modern hypotheses such as RNA World and hydrothermal vents. 6 billion years Oldest rocks 3. 5 bill. Over time, compromises were made, like Key Events in Origin of Life Key events in evolutionary history of life on Earth life originated 3. It provides background on the formation of the Earth and the earliest evidence of life. It describes how early Earth had atoms that combined to form inorganic molecules like hydrogen, nitrogen, and water. Glencoe/McGraw-Hill, 2002. 2) Spontaneous generation theory which suggests life arose from non-living matter. pptx 1. 3) Mass extinctions like the K-T Chemical Evolution Theory | Origin of Earth, Biochemical Origin of Life, Formation of Micro and Macro-molecules, Coacervates and Coacervation, Prions and Protenoids, Formation of Pro-cell, Formation of Cell, Oparin and Haldane theory and Miller and Urey’s Experiment Learn more: Note on Chemical Origin of Life The preview of the PPT on Chemical Evolution Theory will load here (below). These molecules then interacted to produce simple organic compounds. But scientists and philosophers have tried to understand two The document discusses several theories for the origin of life on Earth, including: 1) Special Creation theory which proposes life was created by God. Delve into Charles Darwin's observations on evolution, natural selection, and the Galapagos finches. It also discusses how the formation and conditions of the early universe allowed for the eventual emergence of life on Earth through natural chemical processes The document summarizes the history and development of cell theory. 5 billion years ago and the emergence of eukaryotes around 2 billion years ago. ppt / . This document summarizes several theories on the origin of life on Earth, including the Big Bang theory, creationism, the extraterrestrial origin theory, and biochemical evolution. Extraterrestrial origin Panspermia: Life from elsewhere in universe infected Earth Testable Spontaneous origin Life originated from inanimate materials Testable Reducing Atmosphere Life most likely emerged under high-temperature conditions. 2 billion years ago, life emerged in water on primitive earth from chemicals, thus called the biochemical theory of origin of life. Apr 21, 2020 · Origin of the Universe Earth and Life Science Grade 11 Origin of the Universe Big Bang Theory • The cosmological theory that all matter and energy in the universe originated from a state of enormous density and temperature that exploded at a finite moment in the past when space and time came into being. One of the most widely accepted is the primordial soup theory, which proposes that life began in a "soup" of organic molecules. Biology CP. The theories around this subject range from the creative to the scientific, and each provides valuable insights into how life may have first Nov 12, 2014 · Theories of the origin of life. 2) Spontaneous generation theory proposed that life could arise spontaneously from non-living matter, an idea that was disproven by experiments in the 17th-19th centuries. Experiments have shown that conditions on the early Earth could produce amino acids and nucleic acid bases. Learn about key processes and chemical reactions that may have led to the appearance of life. 0 billion years ago Oct 21, 2014 · Origin of Life on Earth. Section 1 discusses fossil evidence of change and how fossils are used to date major events in Earth's history. 0 billion years ago 3 Earliest life on Earth The document provides an extensive introduction to life sciences, discussing the origins and characteristics of life, including cellular organization, metabolism, and reproduction. Learning Objectives. Discover the origin of life on Earth with this creative template for science lessons! With engaging reading material and interactive activities, you can explore the scientific theories related to the formation of life on Earth. What is Endosymbiosis? Endosymbiotic theory suggests that chloroplasts, mitochondria and perhaps even other organelles, were prokaryotic cells which lived inside larger cells. Disproved by Redi (1600) – covered materials don ’ t produce flies. He demonstrated that life comes only from pre-existing life. Delve into the characteristics of the habitable zone and the challenges faced during the Hadean Eon. The story of Earth’s The document discusses several historical theories about the origins of life: 1) Special creation theory proposes that all life was supernaturally created by God within a short period. Early atmosphere is often referred to as a reducing atmosphere. 2 theories of origin of life Origin_of_Life_PPT - Free download as Powerpoint Presentation (. Evidence for age of origin of life. Fossils are highlighted as critical evidence for understanding the Jan 3, 2020 · Theories on the Origin of Life. It discusses early theories from the 1600s-1920s about spontaneous generation and the formation of organic molecules in the primitive atmosphere. Spontaneous generation is the theory that life can come from non-living matter. Theories on the origin of life (spontaneous generation theory) • Where did microbes come from? Feb 26, 2025 · Learn about theories on the origin of life, from Spontaneous Generation to the Heterotroph Hypothesis, and explore the Theories of Evolution, including Lamarck's ideas and Darwin's Theory of Natural Selection. Section 2 covers theories about the origin of life, including the primordial soup hypothesis and the endosymbiotic theory explaining the origin of organelles. Life’s Origin 1. 8 billion years ago Life not possible during period of heavy bombardment ~ 4. There is an unbroken chain of life from the first cells on Earth to all cells in organisms alive today. This presentation covers the standards for the EOC, its a powerpoint that goes straight to the scientist Origin of Life According to ‘Big Bang theory’ proposed by Abbe Lemaitre (1931), our solar system was created from gaseous cloud called solar nebula. The Special Creation Theory holds that God created the universe and all life directly, as described in the book of Genesis. 2) Creationism believes life was put on Earth by divine forces, but it is not scientifically valid. 3) The theory that life arose spontaneously from non-living matter through random Evolution is the process of change over generations in the inherited characteristics of biological populations. Earth’s Origin 1. Please Title: Theories on the Origin of Life 1 Theories on the Origin of Life 2 When did life form? Age of the Earth 4. If life evolves, where did the first life come from?. 2 theories of origin of life The document discusses several theories on the origin of life: 1) The theory of special creation proposed that all life was created simultaneously and does not evolve or adapt. Learn about key milestones, including the Miller-Urey experiment and the conception of ribozymes. There are several theories about how life originated on Earth. 1. Life is defined as “the ability of an organism to reproduce, grow, produce energy through chemical reactions to utilize the outside materials”. 2) The theory of spontaneous generation assumed life could arise from non-living matter, but experiments by scientists like Pasteur Similar to Origins of Life on Earth Exobiology: The Origin and Evolution of Life on Earth B. 0 billion years Oceans established gt 3. “We still have little idea how, when or where life began…. 5–4. Rezan Latif School Kurdistan Educational compound (KEC) 2 Chemical Evolution Theory of Lifes Origins Chemical Evolution definition The formation of complex organic molecules from simpler inorganic molecules through chemical reactions in the oceans during the early history of UNIT 1 Life and the Origin of Cells Essential Ideas: Living organisms have all of the characteristics of life. 0 billion years ago Signatures of life 12C/13C suggests photosynthetic life existed 4. Theories of Evolution Lamarck (French biologist) 1. The Beginning of Life Origin of the Universe: Big Bang Theory > 15 billion yrs. It is clear the that life came into existence from non living substances of primordial earth about 3 billion year ago. The document also examines early theories on the origin of life and provides fossil evidence that life began on Earth at least 3. Age of the Earth: 4. Evolution of life means the gradual formation of complex organisms from simpler ones. 6 billion yrs. 2) It explores early life forms like prokaryotes and how the evolution of oxygen-producing photosynthesis led to the diversification of eukaryotes through endosymbiosis forming organelles. * * Living cyanobacteria Microfossils in carbonaceous chondrites * Dec 28, 2024 · Explore the intriguing historical theories and groundbreaking experiments that unraveled life's origins, from spontaneous generation to Louis Pasteur's definitive disproval, shedding light on the transition from protolife to the first cells. 0 billion years Oceans established > 3. Evidence of ancient life: Stromatolites: 3. The document summarizes the origin of the universe and the solar system. - According to Oparin's theory of chemical evolution, the early Earth's atmosphere contained simple gases like methane, ammonia, hydrogen, and water vapor. 2) Early theories for the origin of Introduces students to the theory of evolution and its history--before Darwin and after. Grade-11_Origin-of-Life - Free download as Powerpoint Presentation (. g. (Frogs come from mud, flies come from garbage, etc. The evolution of multicellular organisms allowed cell specialization and cell replacement. 3) Later, more complex organic molecules like amino acids were found to arise spontaneously from simpler precursors. Gases formed our atmosphere C. Remnant of the Big Bang known as the Cosmic Microwave Background Radiation. tech biotech i bls u 1. The Miller-Urey experiment demonstrated that simple organic molecules could form under early Earth Title: Theories on the Origin of Life 1 Theories on the Origin of Life 2 When did life form? Age of the Earth 4. 0 billion years Oceans established > 3. The document discusses the origin of life and various theories such as special creation, abiogenesis, biogenesis, catastrophism, panspermia, and chemical evolution. Current theories propose that hydrothermal vents provided energy and vesicles formed that could self-replicate Aug 18, 2012 · Origin of Life on Earth!. 964 Bybp—from Canada Decay of This document summarizes theories about the origin and evolution of life. Science often works like a puzzle that scientist t Oct 9, 2014 · The Origin and Evolution of Life Chapter 20 The Big Bang • 12-15 billion years ago all matter was compressed into a space the size of our sun • Sudden instantaneous distribution of matter and energy throughout the known universe Archeon Eon and Earlier • 4,600 mya: Origin of Earth • 4,600 - 3,800 mya • Formation of Earth’s crust, atmosphere • Chemical and molecular evolution This page explores the origin and evolution of life, detailing theories on the formation of organic molecules and cellular systems. - Through further condensation, polymerization, and oxidation-reduction reactions, more complex The Puzzle Lab Activity This PowerPoint is meant to guide along students and teachers during the Puzzle Lab activity. It highlights significant experiments by scientists like Pasteur and Redi, which challenged earlier notions of spontaneous generation. ago B. It then discusses several theories for how the solar system formed, including: - The nebular hypothesis proposed in the 1700s that a rotating gaseous cloud contracted Apr 24, 2023 · This document discusses the spontaneous generation theory and biogenesis theory of microbial origins. Maggots are – larvae stage of a fly. The Oparin-Haldane theory proposed that organic evolution began when simple organic compounds formed in the primordial oceans and aggregated into coacervates - self-replicating droplets surrounded by membranes. Mitochondria and chloroplasts originated from the endosymbiotic association of aerobic bacteria andcyanobacteria, respectively, with the ancestors of eukaryotes. Jul 26, 2014 · Theories on the Origin of Life. 8 4. Endosymbiotic Theory – Eukaryotic cells arose from prokaryotic organisms II. ). Formation of simple organic molecules. Learning objectives: Origin of Earth, Biochemical Origin of Life, Formation of Micro and Macro-molecules, Coacervates and Coacervation, Prions and Protenoids, Formation of Pro-cell, Formation of Cell, Oparin and Haldane theory, Miller and Urey’s Experiment Biochemical Origin of Life Ø Biologists believe that present-day life was originated in the remote past from chemical substances by Life appeared almost four billion years ago. According to this theory, all the living beings on earth were created by god or by some 1) The document discusses the origin and evolution of life on Earth, including theories for how life began like spontaneous origin from inanimate matter or panspermia. Evidence for this: Observation of galaxies flying away from us in all directions. As the planet cooled, longer carbon-containing molecules like acetylene and ethylene were formed in the oceans through geochemical processes. The big bang 15 billion years ago the universe was a superdense mass that exploded Matter hurled into space, formed galaxies and stars Gravity pulled in some matter to orbit stars and became planets This document discusses the evolving concept of life on Earth. The document discusses several theories on the origin of life on Earth, including theories of special creation, spontaneous generation, biogenesis, biochemical evolution, and panspermia. It begins by providing background on discoveries like the cosmic microwave background radiation and expands universe. It was widely accepted before the scientific era began challenging it with theories like evolution. Evolution Presenting our Panspermia Origin Of Life Theory In Ppt Powerpoint Presentation Slide Templates Cpp PowerPoint template design. This theory proposes that the universe began around 14 billion years ago from an infinitely tiny, dense point known as a singularity, and has been expanding ever since. Other experiments Nov 13, 2013 · Origin of Life. It is often referred to as the modern synthetic theory of origin of life. According to this theory, through a series of chemical reactions around 4. Theory of special creation : Spanish monk Father Sudrez. Yr) Rocks with distinctive layer structure Look identical to living mats of microbes Layers of microbes and sediment Top layer uses photosynthesis Lower layers use top layer’s byproducts When did life begin The document discusses the themes of diversity and unity in life as essential components of evolutionary theory and explores various speculative theories on the origin of life. Title: chemical evolution and the origin of life 1 Chemical Evolution Prepare by Rozh Bahman Tahir Lesson Teacher Mrs. It begins by describing the basic composition of the solar system, including stars, planets, natural satellites, comets, asteroids, and the interplanetary medium. It then covers early cosmological models like geocentric vs heliocentric, and theories on the formation of the universe like the Big Bang theory, steady state theory, inflation theory To account for the origin of life on our earth requires solving several problems: How the organic molecules that define life, e. This document discusses several theories on the origin of life: 1) The Theory of Special Creation proposes that life was created by a supernatural power and all organisms were created fully formed. 6 billion years ago to present day, including the earliest prokaryotes 3. 2+ billion Cyanobacteria: 3. Radically changing planet will continue to apply selective pressure to species the origins of life on earth (or, a History of our planet in 90 minutes or less) biology 1 How old is this planet anyway? Work out Exercise II. amino acids, nucleotides, were created; How these were assembled into macromolecules, e. It states that the widely accepted Big Bang Theory proposes that the universe began approximately 13. It's almost like defending an entire planet's history! After all, understanding the Earth's origins is essentially what we are trying to answer when discussing this topic. 8 billion years old. Origin of Life theories of origin of life, Oparin- Haldane theory of chemical origin of life (2) - Free download as Powerpoint Presentation (. It also describes the Miller experiment and panspermia theory. pdf), Text File (. " I. The universe has been expanding ever since. Origin of the Universe Scientists believe that the universe began in a tremendous release of energy known as the Big Bang. 8 billion years ago from the violent expansion of space-time and extremely dense and hot matter. 5 Jan 6, 2025 · Explore the intriguing Oparin's Heterotroph Hypothesis and Miller-Urey's experiments supporting it. Discover how the Earth's history shaped life as we know it today. It highlights the transition from obsolete ideas like spontaneous generation to the acceptance of biogenesis, leading to modern The document discusses the origin of life and evolution, starting from the formation of the universe and Earth about 4. Explore how liquid crystal phases of DNA relate to the origin of life theories, focusing on Nematic, Chiral Nematic, Smectic, and Columnar phases. 0 bya Defending one's thesis on the origin of life can be a creative and fun experience. The origin of life remains a scientific mystery, with theories such as abiogenesis, panspermia, and religious beliefs explaining its beginnings. 0 billion years ago Slideshow 6788898 by rosalyn-britt Recently uploaded theory of origin of life. Jan 4, 2025 · Explore the evolution of life theories from biblical creation to modern hypotheses such as RNA World and hydrothermal vents. Over time, these compounds Dec 27, 2024 · Explore the evolution of cells, from ancient experiments like Redi's and Pasteur's to modern research on organic compounds and early life formation. Theories on the Origin of Life Ppt - Free download as Powerpoint Presentation (. Discover evidence for evolution through fossils, anatomy, embryology, behavior, and biochemical comparisons. ”. 6 billion years Oldest rocks: 3. Oct 9, 2014 · Theories of the origin of life. It highlights theories of life's origin, including chemical evolution and biogenesis, as well as Darwin's theory of natural selection and evidence for evolution such as paleontological, anatomical, and The document discusses several theories regarding the origin of life on Earth: 1) Special creation theory proposes that life was created by a supernatural power. Describe the conditions on the primitive earth predicted by laboratory experiments that favored the spontaneous development of organic molecules. It also discusses early theories on the origin of the solar system such as Descartes' vortex theory and the Kant-Laplace nebular hypothesis. Redi showed that flies, not decaying meat, produced maggots. The document discusses several early theories on the origin of life and evolution: 1) The extraterrestrial origin theory states that life originated on other planets and was brought to Earth via meteorites. The document The document discusses the Big Bang theory and how it relates to both science and theology. 3) Panspermia theory suggests that life Topics covered in this lecture are: •Evolutionary Biology •Oigin of Life •Theories of origin of life •Theories of chemical evolution. 5 billion years ago to the development of life over millions of years. Theories on the Origin of Life - Free download as Powerpoint Presentation (. From Microbes to Complex Organisms in class activity ‘Origins of Life on Earth’. Learn about the stages in the development of life on Earth and the emergence of crucial biological components. 8 – 4. It covers hypotheses including abiogenesis, biogenesis, and cosmozoic theories while detailing significant experiments like those by Louis Pasteur. The document also explores the historical context of the universe's formation through the Big Origin of life means the appearance of simplest primordial life from non-living matter. first cells probably resembled anaerobic bacteria 2. Source: Biology, The Dynamics of Life . The evidence is circumstantial and can be compared with delving into such records as there are in Massachusetts of the Mayflower, to discern the origins of the English language. Spallanzani demonstrated that boiling broth Nov 1, 2014 · The Origin and Early Evolution of Life. It provides a timeline of major life forms from 4. 8 billion years ago Life not possible during period of heavy bombardment 4. The most detailed discussion is of the biochemical evolution theory, noting early Earth conditions and Miller and Urey's 1953 Theories on the Origin of Life. Now question is how you will define “LIFE”. Oct 25, 2014 · Early Earth and Theories on the Origins of Life!. 3) Biochemical evolution theory (also known as Oparin-Haldane hypothesis) which proposes life emerged from chemical reactions in the early reducing Earth's Sep 30, 2025 · "Learn about origins of life on Earth for your IB Biology course. The document discusses several theories on the origin of life: 1) The theory of special creation proposed that all life was created simultaneously and does not evolve or adapt. Origin of life Origin of life on Earth is also called protobiogenesis. While science developed alternative origin of life theories, some religious groups strongly defended creationism based on the Bible. The document discusses several key aspects of life and its origins: 1) It defines some key properties of life including order, reproduction, growth and development, energy utilization, homeostasis, and evolutionary adaptation. It came from the swamp: “primordial ooze” model. Evidence for age of earliest life Where did life originate? How does life arise from non-life? How did cells arise? Development of more complex organisms. When did life form?. These coacervates were the first living cells, which evolved over time into more complex life forms including monerans, protistans, fungi, plants and animals as the early Earth cooled PowerPoint Presentation on the Origin of Life Theories This a simple, straight to the point presentation that explains how scientific laws and theory are different, how evidence is collected to support theories, and how they can change over time as new evidence and technology are available. 8 Gy Pieces of Model Evidence for age of earliest life Where did life originate? Development of more complex organisms Where did life originate? Feb 14, 2022 · Although science still seems unsure, here are some of the many different scientific theories on the origin of life on Earth. This PowerPoint slide showcases four stages. It describes how early scientists like Francesco Redi, Lazzaro Spallanzani, and Louis Pasteur experimentally disproved the theory of spontaneous generation through controlled experiments. 5 Bybp The planets probably formed from debris cast off from our Sun following its condensation from interstellar gas and dust of a nebula about 5–7 Bybp At first, Earth was semi-molten, but gradually cooled enough to form a solid rock crust The oldest rocks are 3. However, it lacks experimental evidence. It highlights key milestones such as Miller's amino acid synthesis, … Origin of Life Environmental conditions of primitive Earth Earth was “born” about 4. 4. 2 billion Evidence for age of origin of life Evidence of ancient life: Stromatolites: 3. However, it lacked evidence and fossil records show life appeared at different times. Early theories on the origin of life included divine creation according to several religions like Hinduism and Islam which stated that God created life. (A dictionary of Science 6th Edition) The document provides an overview of various theories regarding the origin of life, including cosmozoic theory, the theory of spontaneous generation, and biogenesis, while detailing notable experiments by figures such as Aristotle, Francesco Redi, and Louis Pasteur. Feb 28, 2025 · Explore how life began on Earth through the "Primordial Soup" Model, the Miller-Urey Model, and the Bubble Model. 4) Modern The document discusses theories on the origin of the solar system. It provides background on the development of the theory, including key discoveries and scientists like Einstein, Hubble, Gamow, and Lemaitre. Pieces of Model. The document discusses several theories on the origin of the universe and the solar system. The document summarizes the chemical and biological origin of life. 1. The theory of abiogenesis proposed that living things could naturally arise from 13. The document discusses several theories on the origin of life on Earth: 1) Creationism theory proposes that a supreme being created life. 2 The document discusses several theories about the origin of the universe, focusing on explaining the Big Bang theory. pptx), PDF File (. Understand the implications through birefringence and optical devices. Spontaneous generation - life arising from nonliving matter Examples: mud producing fish grain producing mice decaying meat producing maggots. Learn about the evolution of complex molecules, from the early reducing atmosphere to the emergence of the first organisms. Key evidence for the Big Bang theory includes Hubble's law, which describes that galaxies appear to be moving The document discusses several hypotheses for the origin of the universe and the solar system. Origin of life can be explained by following theories : 1. Theories of Origin of Life Theory of Spontaneous Generation (Abiogenesis): It states that life came out of decaying and rotting matter like straw, mud, etc. 2) It discusses early theories on the origins of life from the 19th century idea of supernatural creation to 20th century ideas of natural spontaneous generation and Jan 2, 2021 · It is, thus, often called the Oparin and Haldane theory. It also describes the Nebular Hypothesis for the formation of the solar system, which suggests that the . How life began on Earth? Explore the different theories and talk about them with this Google Slides & PowerPoint template When did life begin? Quite early in Earth’s history Cannot pinpoint time, but can narrow down a time period with 3 lines of evidence When did life begin? Stromatolites (3. 14. It discusses the Big Bang theory and other theories such as inflation theory and M-theory. It discusses key figures such as Hooke, who first observed and named cells in 1665; Van Leeuwenhoek, who observed the first living cells in 1683; and Schleiden, Schwann, and Virchow, who developed the three principles of cell theory - that all living things are made of cells, cells are the basic unit of life, and new cells are Today we will share the Complete Notes related to the Origin and Evolution of Earth PPT Download (UPSC PPT SLIDES) or PDF Download and you can read these Notes in Almost All Languages, just by pressing the Google Translation Button (see upside right, without Scroll) with this PPT you can Teach On YouTube for Free or you can read this for your Exam, it’s up to you. ago out of gases 2. It then covers early cosmological models like geocentric vs heliocentric, and theories on the formation of the universe like the Big Bang theory, steady state theory, inflation theory Explore the conditions and theories surrounding the origin of life, from creationism to modern acknowledgments. Scientists like Stanley Miller and Harold Urey conducted experiments to test this theory by simulating early Earth conditions and forming amino acids, the building blocks of life. Chapter 18. Louis Pasteur disproved this theory. 0 billion years ago 3 Earliest life on Earth 2. 2) Early experiments provided evidence that simple organic molecules could form from inorganic compounds. In your investigation today, you will explore the early experiments with life on earth and then create proto-cells in the laboratory!. Origin of Life (Part-I) Introduction: Study of living organisms such as plants, animals and human etc is the active area of life science. There are several key points in the origin and evolution of life on Earth according to the document: 1) The universe is approximately 13. The Earth formed 4. Differentiate between chemical evolution and organic evolution. Additionally, it provides details on properties of the current solar system, including This document contains information about two sections from a biology textbook chapter on the history of life. byt kmm tawerrg bc fmoq qhhqw 4pbepc vkqnt 8hzahg hey67tdw