'Common gene pool' presentation slideshows

Evolution

Evolution. Chapters. Intro to Evolution. Evolution. the process of cumulative change in the heritable characteristics of a population. Players in Evolution. Jean Baptiste de Lamarck (1744-1829) Russel Wallace (1823-1913) and Charles Darwin (1809-1882). Natural Selection.

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BIOE 109 Summer 2009 Lecture 11-Part I Species concepts

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Evolution

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Standards Covered

AP Biology--Evolution Review 1) Sign in by period 2) Pick up an evolution concept map and fill it in 3) Open up review book to pg 54. Standards Covered. 1A1-4, 1B1-2, 1C1-3, 1D-2. You can look at evolution through 2 lens. Evolution: Macro Lens.

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You can look at evolution through 2 lens

You can look at evolution through 2 lens. Evolution: Macro Lens. Macroevolution generally refers to evolution above the species level. Species =a reproductively isolated population able to interbreed and produce fertile offspring.

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EVOLUTION CLICKER REVIEW

EVOLUTION CLICKER REVIEW. CHAPTERS 14, 15, 16. Which scientist used rotting meat to disprove spontaneous generation?. A. Spallanzani B. Redi C. Pasteur D. Oparin. Which of the following did not exist in the early atmosphere?. Oxygen Ammonia Water vapor Methane Hydrogen.

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Evolution

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Genes within Populations

Genes within Populations. What is a population? How are populations characterized? What does it mean to be diploid, haploid, polyploid? How can we characterize populations based on their genes?. What is a population?.

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16.3

16.3. The Process of Speciation. Recall that biologists define a species as a group of organisms that breed with one another and produce fertile offspring. Members of the same species share a common gene pool . Different Species. Same Species. Isolating Mechanisms.

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Chapter 17: Evolution of Populations

Chapter 17: Evolution of Populations. By: Tyler Kong Skyler Johnson. 17.1 Genes and Variations. Alleles : specific forms of a gene contributed by both parents, often varies from individual to individual Genotype : is the particular combination of alleles it carries

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Evolution

Evolution. Past Paper Questions. 1. Explain the factors that cause a population to follow the sigmoid ( S-shaped) growth curve. (8 max). 1. Explain the factors that cause a population to follow the sigmoid ( S-shaped) growth curve. (8 max).

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17.3 The Process of Speciation

17.3 The Process of Speciation. What is Speciation?. Speciation is the formation of new biological species, usually by the division of a single species into two or more genetically distinct one. Four Types of Isolating Mechanisms. Reproductive Isolation Behavioral Isolation

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NATURAL SELECTION AT THE LEVEL OF THE ALLELE

Sickle cell anemia. NATURAL SELECTION AT THE LEVEL OF THE ALLELE. Biston betularia. Industrial melanism. The melanic allele has a selective advantage in polluted environments More individuals with the melanic allele are reproduce

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Chapter 51

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