LIFE ON EARTH REVISION Analysis of the oldest sedimentary rocks provides evidence for the origin of life. - Identify the relationship between the conditions on early Earth and the origin of organic molecules. - Formation of the organic molecule was the first event in the evolution of life. - The molecules provided a building block for cell formation and the food for the earliest life. - Present day life’s atmosphere contains: - Oxygen - Water - Carbon
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Definition/comparison questions Evolution / Selection Evolution is a slow continuous process of change that happens in plants and animals over a long period of time resulting in a change from simpler to more complex forms. This is the reason modern day plants and animals are different from those of past. The competition for resources will favour organisms with better adaptability and certain variations over others hence leading to change in the rate of occurrence of certain traits within that population
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2014 Natural Selection by Charles Darwin Understanding Natural Selection stresses the theory that a genus’s environment determines the likelihood of survival. Charles Darwin explains the importance of natural selection and sexual selection. Natural selection affects a given organism in its specific environment and how they adapt. Sexual selection focuses on a male and female relationship. Throughout the passage‚ Darwin gives various examples that define the meaning of each topic. Natural selection
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Name : _____Ashley Vernet_______ Chapter 17: Life on Earth Activity designed by Kathleen Rudolph Taxa to explore – Elephants!! 1. Review terms (write definitions for these terms) Extant Species‚ families‚ or groups still in existence Extinct Species‚ families‚ or groups no longer in existence‚ end or died out Genotype Genetic make-up of an organism Phenotype Physical attributes of an organism‚ observable or measurable traits Synapomorphy Shared characteristic that are inherited
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Darwin’s theory of evolution explains how life on Earth has changed over geological time. Scientists believe this is the reason why all living things on Earth exist today. The theory is supported by evidence from fossils‚ and by the rapid changes that can be seen to occur in microorganisms such as antibiotic-resistant bacteria. Many species have become extinct in the past and the extinction of species continues to happen. The basic idea behind the theory of evolution is that different species have
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explain how evolution occurred. Charles Darwin‚ on the book Origin of Species‚ spoke about how traits are passed on from generations to generations by natural selection. In addition‚ he stated how there are four objections to the theory of natural selection‚ how species can win the struggle for existence through natural selection‚ and how the origin of species challenges religion. Central to the theory of evolution‚ is natural selection. Evolutionary theory was developed by Charles Darwin to explain
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Synopsis Charles Darwin was a great man and an even greater thinker and scientist that changed the world with his theory of evolution and natural selection to explain biological change Early Life Charles Darwin was born in shrewsbury ‚England‚ on February 12 ‚1809. He was born being the youngest of six children‚with his long ancestry all being scientists. Prime examples of this being his father‚ Dr. R.W. Darwin‚ who was as a medical doctor‚ and his grandfather‚ Dr. Erasmus Darwin‚ that was a renowned
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Both natural and artificial selection refer to processes that determine which genetic traits pass from one generation to the next one. Artificial selection is the process in which humans decide which traits will show up in future generations. Natural selection is the process in which the environment is responsible to pick the traits in order for an individual to adapt and survive to and specific environment. The differences between these two processes is the way that the traits are selected. Some
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Level Material Appendix F Natural Selection and Patterns of Evolution Worksheet Complete the worksheet writing 100- to 200-word short answers for each question. Format your references consistent with APA guidelines. 1. What is the direct evidence in support of the theory of natural selection? Include at least four examples. Paleontology shows us that organisms have changed gradually over time‚ as reflected in the fossil record. Biogeography shows us how new species only arise near very
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UNITY OF THOUGHT •A sentence has unity if it expresses only one main idea. SENTENCE UNITY HOW TO ACHIEVESENT ENCE UNITY? Consistent Use of Tenses • A verb in an adverbial clause generally agrees with the tense of the verb in the main clause. • Avoid unnecessary shifting from first person to third person or vice versa Consistent use of Number • Shifting persons of pronouns will destroy unity. The pronouns must agree with their antecedents Consistent Use of Persons of pronouns • Do
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