This is the story of the universe and our place within it. Diversity and evolution of life 1 origin and evolution of life and introduction to classification biology notes the planet earth came into existence sometime between 4 and 5 billion years ago. As a result, there are several theories which offer their own explanation on the possible mechanism of origin of life. He tried to understand the origin of life as part of the biochemical reactions evolution, by means of the darwinian competition and selection, in the prebiotic earth before the emergence of life. Information theory, evolution, and the origin of life information theoi\ evolution, and the origin of life presents a timely introduction to the use of information theory and coding theory in molecular biology. Fits evidence accumulated from examinations of life. The earth and geobiosphere page will cover the five billion year history of our planet including its physical and biogeochemical evolution with emphasis on the early evolution of the molecular and metabolic building blocks of life and the complex interactions of ecosystems. John ashton there is scientific evidence proving evolution cannot be responsible for life on earth. The conditions on early earth made the origin of life possible. Rna formed and was stable enough to persist and even act as a ribozyme. Life originated in water bodies by chemical evolution.
This portable document file is furnished free and without any charge of any kind. The origin and evolution of life on earth i youtube. The origin of the universe, earth, and life science and. Activity for the origin of humans hhmi biointeractive. The contributors, all of whom received the oparinurey gold medal of the international society for the study of the origin of life, are luminaries in the fields of chemistry, paleobiology, and astrobiology, and in these chapters they discuss their life s work. High temperature, lightening and solar radiations provided energy required for chemical reactions. Origin and evolution of life on terrestrial planets article pdf available in astrobiology 102010. Evolution of life on earth 1 evolution of life on earth.
Creationist views of the origin of the universe, earth, and life many religious persons, including many scientists, hold that god created the universe and the various processes driving physical and biological evolution and that these processes then resulted in the creation of galaxies, our solar system, and life on earth. Deciphering the planets history and processes could improve the ability to predict catastrophes like earthquakes and volcanoes, to manage earths resources, and. All the continents were joined as one big land mass called pangaea and began to break into smaller continents making wider oceans and place for more marine life. The more complicated organisms arose from simpler ones which gradually changed and grew more efficient.
Origin and development of life on earth science for everyone by g. In order to be able to find life outside our earth, we have to understand life in our own planet. Intelligent design is a nonscientific argument or assertion that life owes its origin to a master intellect. Organic molecules may have formed on earth or derived from outside space.
One scenario for the origin of life is that it originated in this dilute. Please refer to origin of life later in this this discussion. It is time to question what biology text books and nature documentaries claim about our origins. Life free fulltext theory of the origin, evolution, and.
This full colour and logically structured book introduces the main areas of significance and provides a wellordered and accessible introduction to multiple literatures outside the confines of disciplinary specializations, as well as including an extensive. Origin and evolution of earth research questions for a changing planet questions about the origins and nature of earth have long preoccupied human thought and the scientific endeavor. The planets where formed out of a cloud of material associated. The book though included in popular science series presents a vast panorama of geological events ranging from prehistoric times to the present period, and covers practically all the landmarks in the history of evolution. Early theories origin of earth nebular hypothesis 1796. Nearly all branches of natural science have contributed to understanding of the main events of earth s past, characterized by constant geological change and biological evolution the geological time scale gts, as defined by international convention, depicts the large spans of time from the. Origin and development of life on earth science for everyone. Information theory, evolution, and the origin of life. Solving this problem requires an interdisciplinary knowledge and an awareness of conventional theories, especially those related to the origin and evolution of life.
Ncert general science origin of life on earth the universe is very old almost billion years old. Scientists have everimproving tools to understand how earths internal processes shape the planets surface, how life can be sustained over billions of years, and. Evolution, origin of life, galaxy, stochastic, mathematical model, critical evolutionary transitions, galactic habitable zone, habitability, earth migration. The origin and evolutionary history of life on earth i. Origins and evolution of life edited by muriel gargaud. Origin and evolution of earth national academies press. The panspermia hypothesis has many forms, some of which suggest that life started elsewhere in the universe and arrived on earth by cometary.
Deciphering the planets history and processes could improve the ability to predict catastrophes like earthquakes and volcanoes, to manage earth s resources, and. The origin of life on the earth by oparin, aleksandr ivanovich, 18941980. Accretion to prebiotic stages with first metabolic reactions probably evolved attached. Here, i present a theoretical framework that economically fits evidence accumulated from examinations of life. Pdf theory of the origin, evolution, and nature of life. Nearly all branches of natural science have contributed to understanding of the main events of earth s past, characterized by constant geological change and biological evolution. Origin of life simple english wikipedia, the free encyclopedia. There is no fundamental difference between a living organism and lifeless matter. It states that god created life by his divine act off creation, i. The origin and structure of the universe what is the universe made of. The origin of planet earth in order to estimate the time and place of origin of the sun, the solar system and its planets, one needs to gather information about early earths history. Even darwin admitted, i threw out queries, suggestions, wondering all the time over everything. Scientific explanations for the origin of life are more properly referred to as hypotheses rather than scientific theories. The students will be given the following instructions.
Theories of evolution 9 natural selection lab 10 worksheet on peppered moth. Origin of life on earth evolution of life on earth adaptive radiation biological evolution origin and evolution of man timeline of evolution. How different kinds of organisms are formed in the world. Abstractmany originoflife researchers now regard the origin of biological. The fossil record helps to document the history of life. The origin of life on earth is a scientific problem which is not yet solved. History of the earth encyclopedia of life support systems. Publication date 1990 topics science for everyone, life. The chemistry of life and the different processes during the formation and evolution of the earth have played a crucial role. Given the manuscript format, a full treatment of alternative theories, models.
So first the question is how earth formed and how its internal structure. But how did the first organisms on the only known home to life in the universe develop from the primordial soup. Although there is some evidence of life as early as 4. Abstractmany origin of life researchers now regard the origin of biological. The origin of humans the film highlights important hominid fossil discoveries of the past 50 years and the insights they provide into human evolution. Victoria gilman march 22, 2012 earthspace science mrs.
Life s history earth is 5 billion years old but the history of life on earth began almost 3,5 mya. The origin of life on the earth covers the proceedings of the first international symposium of the origin of life on the earth, held at moscow on august 1924, 1957. Theory of the origin, evolution, and nature of life. The earth formed over 50 myr via planetesimal accretion. Origin and evolution of earth the national academies press. The origin and nature of life on earth pdf web education. There are many ideas, but few clear facts most experts agree that all life today evolved by common descent from a single primitive lifeform. It stated that primitive life originated in the water bodies on the primitive earth from nonliving organic molecules e. The planets where formed out of a cloud of material associated with a youthful sun, which was slowly rotating. This symposium brings together numerous scientific studies on the evolutionary principles and the different stages in the evolutionary development of matter. Fossils lecture 7 fossil interpretation lab 8 lecture notes.
Origin of life 1 3 earths history activity 4 lecture notes. The history of earth concerns the development of planet earth from its formation to the present day. Different theories were given by different thinkers and scientists. The text explores the latest research on the conditions and processes that led to the emergence of life on earth and, by extension, perhaps on other planetary bodies. Origin and evolution of life on earth searching for the origin functional beginnings of life from chemistry to biology at the molecular level prokaryotes and oxygen eukaryotes and explosion of diversity mass extinctions, asteroids and climate change evolutions of humans. But before we delve into the origin of life on earth, let us understand the meaning of evolution. Mar 05, 2016 origin of life on earth evolution of life on earth adaptive radiation biological evolution origin and evolution of man timeline of evolution. Origin and evolution of life on earth searching for the origin functional beginnings of life from chemistry to biology at the molecular level prokaryotes and oxygen eukaryotes and explosion of diversity mass extinctions, asteroids and climate change evolutions of humans conclusions. Theory of the origin, evolution, and nature of life mdpi. The genetical information system, because it is linear and digital, resembles the algorithmic language of computers.
Life on earth appeared 500 million years after its formation. And if thats not enough, we will describe how every atom in existence today. Origin of life 1 3 earth s history activity 4 lecture notes. The complex combination of manifestations and properties so characteristic of life must have arisen in the process of the evolution of matter. All organisms that we see on earth are believed to have formed or evolved from precursors of these organisms over a gradual period of time. Feb 20, 20 the origin and evolution of life on earth. And if thats not enough, we will describe how every atom in existence today came into beeing, how galaxies formed, how our own solar. This activity explores the concepts and research on the evolutionary origins of humans discussed in the short film great transitions. According to the evolutionary models of stars, their brightness, or luminosity, increases from their youthful to their mature stage. How life abides by the second law of thermodynamics yet evolutionarily complexifies and maintains its intrinsic order is a fundamental mystery in physics, chemistry, and biology. Therefore, the amount of radiation output from the sun to the earth has increased by 25 to 30% over geologic time see history of the sun. The origin and the evolution of the earth authorstream. May 16, 2009 this is the story of the universe and our place within it.
On the origin of species by charles darwin is a publication of the pennsylvania state university. Chemical conditions of the early earth that could have fostered the origin of life a. The earth has evolved changed throughout its history, and will continue to evolve. It is not only the study of the earth as we see it today, but the history of the earth as it has evolved to its present condition. Any person using this document file, for any purpose, and in any way does so at his or her own risk. Life free fulltext theory of the origin, evolution. The evolutionary history of life on earth traces the processes by which living and fossil organisms evolved, from the earliest emergence of life to the present. In the theory proposed herein, i use the heterodox yet simple gyrea spiral, vortex, whorl, or similar circular patternas a core model for understanding life. Spontaneous generation of life in primitive atmosphere.
Evolution of life on earth the big bang theory of evolution. Dec 23, 2011 the correct theory would be expected to not only explain how the living cell works now, but also to provide insight into the evolution of life on earth. A timeline for the very early history of the earth. The contributors, all of whom received the oparinurey gold medal of the international society for the study of the origin of life, are luminaries in the fields of chemistry, paleobiology, and astrobiology, and in these chapters they discuss their lifes work. Origin and development of life on earth science for. The goal of the performance is for students to communicate the story of the evolution of life role. As for the place where life was supposed to exist, the vedas and. Notes origin and evolution of life and introduction. Pdf origin and evolution of life on terrestrial planets.
Pdf the early evolution of the planet earth and the origin of life. Thus, the advancement of scientific understanding requires new models that resolve fundamental problems. Here, i present a theoretical framework that economically fits evidence accumulated. Introduction several attempts have been made from time to time to explain the origin of life on earth. It is not known how this early life form evolved, but scientists think it was a natural process which happened about 3,900 million years ago. Like galapagos islands, hawaiian archipelago offers a plethora of variation, adaptative radiation, in organisms due to its isolation and lack of predators.