PPT-The History of Life on Earth

Why do some scientists believe that RNA rather than DNA was the first genetic material RNA has both information storage and catalytic properties RNA contains uracil in place of thymine RNA could have evolved into DNA. Key terms:. Solstice: day when the sun appears farthest North or South of the equator. Northern hemisphere receives the most sunlight of the year around June 21 on the summer solstice.. Phase: shape of the moon you see from Earth.. The . Sun. Is HOT!!!. The sun is an . average . star . The heat and light are the result of . Nuclear Reactions . constantly taking place in the sun.. It is in the . center. of our solar system. . Comparison . The Earth is divided into three layers based on the compounds that makeup each layer. They are:. 1. Crust. 2. Mantle. 3. Core. The Crust. The Crust is the :. 1. outer most layer of the Earth.. 2. It is the thinnest layer.. Learning Target:. What is necessary for life to be present in our solar system?. Science Starter:. Pg. 2 Life on Earth Workbook…Answer question 1. Supplies: Life on Earth Workbook. 1. Heartbeat. 2. Return Papers. The Layers of the Earth. The Earth is an oblate spheroid – the . Solid Earth. . . It is composed of a number of . different layers. as determined by deep drilling and . seismic. evidence.. The Four Basic Layers. Oblate Spheroid. Bulges in. the middle. Earth’s Shape. 1. Right distance from the Sun. 2. Right amount of water. 3. Right amount of atmosphere. Why Does Earth Have Life?. The . rotation. of the Earth lasts for . Lecture 3. Development of. Geological Concepts, Part I. Major Concepts. In the 17. th. and 18. th. centuries (Age of Reason), application of the scientific method of observation and interpretation began with the purpose of understanding earth processes in the context of the biblical account, but wound up challenging and discrediting that explanation. . How does the atmosphere support life?. The atmosphere allows us to breathe. Many different types of organisms need oxygen to perform life processes. Plants require carbon dioxide to undergo photosynthesis. . determine. the Earth’s environment?. Does life simply live on an environmentally static Earth, or does life determine the Earth’s environment?. If life changes on the Earth, the conditions on Earth won’t change. What is Heaven?. Heaven is the place from which we were created (our long awaited home land) for which we were created and through our Lord Christ, it was opened to us once again. The door of heaven was shut to us after the fall but was made available to us again after Christ came.. 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.. La gamme de thé MORPHEE vise toute générations recherchant le sommeil paisible tant désiré et non procuré par tout types de médicaments. Essentiellement composé de feuille de morphine, ce thé vous assurera d’un rétablissement digne d’un voyage sur . Eras of Earth’s History EQ: What causes changes in the Earth? How does knowing the past give us a VISION for the future? Precambrian Time Eon Precambrian Time Eon 4.6 billion years ago-545 million years ago We will delve into the intricacies of taxes on life insurance in the UK, exploring the rules and regulations that govern this important aspect of financial planning.