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Charles Darwin

Rawle Evolution

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Lecture 2: Evolution recap Testing explanations for the diversity of life Descent with modification is testable and explains diversity Natural selection is the mechanism driving evolution 1 Diane FosseyBirute GaldakisJane Goodall Science strives to be objective 2 Alfred Russel Wallace (1823-1913) Charles Darwin (1809-1882) Jean-Baptiste de Lamarck (1744-1892) Erasmus Darwin (1731?1802) The idea of change over time was not new 3 wikipedia.com Lamarck hypothesized about the mechanism causing diversity Use and disuse Inheritance of acquired characters Innate drive towards complexity 4 What do we require of hypotheses? 5 Descent with modification is testable 6 Natural selection is testable 7 The Grants studied ground finches for decades 8

Ch 22: Descent with Modification

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Ch 22: Descent with Modification Charles Darwin published On the Origin of Species by Means of Natural Selection (November 24, 1859) Origin of Species- focused biologists? attention on the great diversity of organisms a. Origins and relationships, similarities and differences, geographic distribution, adaptations to surrounding environments b. Presented evidence that the many species of organisms presently inhabiting Earth are descendants of ancestral species that were different from the modern species c. Proposed a mechanism for this evolutionary process Natural Selection Natural Selection- population can change over generations if individuals that possess certain heritable traits leave more offspring than other individuals

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Reuben Chemmanam K. Medlin English 2 5 September 2013 The Ugly Facts The outline of this author?s article implies that America?s new generation is heading into a discouraging future. Furthermore, she states that only 33 percent of eighth-graders and 24 percent of twelfth-graders were proficient at writing with only a pencil and paper in 2007. The author blames misspelled advertisements, language-poor environments, and schools. Her argument mostly dwells on the lax method of teaching writing in modern education. The article suggests we push every one of our pupils to learn how to write despite their learning styles. Overall she says that teaching the students how to write proficiently makes them successful in life.

AP biology chapter 22 notes

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August 2013 Chapter 22 Descent with Modification A Darwinian View of Life Darwin introduces a new theory Charles Darwin published On the Origin of Species by Means of Natural Selection on November 24, 1859 It focused on the diversity of organisms Their origins and relationships Their similarities and differences Their geographic distribution Adaptation to surrounding environments Presented evidence that many species from earth are descendants of ancestral species that were different from the modern species Proposed a mechanism for this process, which name is Natural Selection Natural Selection is that a population can change over generations, leaving heritable traits to their breeds, this population can get a lot of changes that can eventually form to a new specie

Cycles of Life Teacher Guide 1st 6 episodes

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Cycles of Life: EXPLORING BIOLOGY Module 1: Biological Concepts Segment 1: The Unity and Diversity of Life Objectives: 1. List and describe major characteristics of living things that distinguish them from non-living matter. 2. Describe the general pattern of energy flow through the earth?s life forms, and explain how their interactions help cycle the earth?s resources. 3. Explain what is meant by the term unity, and identify possible causes of similarities between earth?s organisms. 4. Explain what is meant by the term diversity, and identify possible causes for the great diversity of life forms on earth. Video Synopsis: Beginning with the features that distinguish living matter from non-living matter, this segment provides
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