Lessons for Speciation

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  • Scientists, Wolves and the United States Government ... - … speciation to help them understand the process of speciation. Finally, students will study how speciation may occur without geographic isolation by investigating sympatric speciation … critically analyze; sympatric speciation. This type of speciation can apparently occur without the geographic isolation that we see in allopatric speciation. Differentiated Instructional … Attachment E, Allopatric Speciation Model Attachment F, Allopatric Speciation with Red Wolf as Modern Hybrid Attachment G, Allopatric Speciation with Red Wolf as …
    User Rating: Grade Level: 9-12
  • How New Species Evolve - … about both allopatric and sympatric speciation. First, students study allopatric speciation by visiting the Web feature Allopatric Speciation. Students watch as, over time … Radiation 1. Have your students view the Allopatric Speciation graphic. Discuss speciation, especially allopatric speciation, with your class. 2. Assign students the numbers … Science Digital Library. Multimedia Resources Used in this Lesson: Allopatric Speciation Allopatric Speciation JPEG Image Convergence: Marsupials and Placentals Convergence: Marsupials and …
    User Rating: Grade Level: 9-12
  • How Do New Species Form? - … Objectives: Students will... ! understand and apply the basic definition of speciation ! articulate Eldredge's argument for punctuated equilibrium/stasis ! evaluate evidence … selection ! differentiate among and give examples of convergence, divergence, and speciation ! compare and contrast the gradual change model with the punctuated … way has our view of speciation changed since Darwin's time? 5. Why is the mode of speciation a relevant question? How …
    User Rating: Grade Level: 9-12
  • evolution mini-lesson: A Step in Speciation - … Home A Mini-Lesson A STEP IN SPECIATION EVOLUTION The Analysis of Field Observations Speciation Of the California Salamander Ensatina eschschsoltzii Adapted … probable sequence of formation from the original form (speciation). Very compelling experience of speciation and its role in evolution. 1. While natural selection explains evolutionary modifications within lineages, speciation explains evolutionary branching and diversification. 2. Speciation
    User Rating: Grade Level: 9-12
  • Life As We Know It - … have affected our evolutionary path; Define the terms genetic drift, speciation,biodiversity, and extinction, and discuss how these factors contribute to … in addition to natural selection, you'll be discussiongenetic drift, speciation, biodiversity, and extinction. 2. Review definitions of the terms listed … which new species arise. There are four types of natural speciation: allopatric (population splits into two geographically isolated groups), peripatric (peripheral …
    User Rating: Grade Level: 9-12
  • What is a Species? - … context * use definitions of species to enhance their understanding of speciation * understand the concept of taxonomy and biodiversity inventories Key Words Include: Biodiversity, clade, classification, genus, inventories, invertebrates, monophyletic, species, speciation, taxa, taxonomy, vertebrates Preparation Article Discussion: Several approaches are possible … ://www.actionbioscience.org/biodiversity/page.html#learnmore Master 1.7 - Speciation African indigobirds lay their eggs in the nests of different …
    User Rating: Grade Level: 9-12
  • Natural Selection - … , genes, genotype, modern synthesis, natural selection, probability, randomness, sexual selection, speciation Source: www.actionbioscience.org/evolution/futuyma.html Lesson: "Natural Selection … . 2. Futuyma says that natural selection plays a role in speciation to some extent. Perform some Internet or literature research on the topic of speciation. What does your research indicate are common mechanisms of speciation? Is natural selection a part …
    User Rating: Grade Level: 9-12
  • Evolution in a Ring - … * relate the concept of ring species to natural selection and speciation * understand the role of geography, habitat, and climate in species … , geographic isolation, geographic variation, intermediate species, reproductive isolation, ring species, speciation Preparation Article Discussion: Use the questions on page 2 for … : Article Discussion About the article "Ring Species: Unusual Demonstrations of Speciation" by Darren E. Irwin, Ph.D. http://www.actionbioscience.org …
    User Rating: Grade Level: 9-12
  • Roots: The Ancestry of Modern People - … of modern humans * examine ways in which some conditions facilitate speciation and evolution * learn how evolutionary models are formed and evaluated … , mitochondrial DNA, natural selection, neurology, paleoanthropology, prehistoric data, scientific model, speciation, Stone Age Preparation Article Discussion: * Distribute or ask students to … for modern humans? 3. Define the following terms: gene flow, speciation, taxonomic diversity, genetic drift, occipital region of the skull, molars …
    User Rating: Grade Level: 9-12
  • Chaos - Living on the Edge - … modern classification (genera, families, orders, etc.), a process of cumulative speciation, or macro-evolution. For each team (of 2-4 students … this program, each with its own characteristic results and lessons: SPECIATION: Involves one or two islands (with higher concentrations of "food … the population results reflecting classic principles of natural selection and speciation, and the simulated formation of new "species" which results. ANTIBIOTIC …
    User Rating: Grade Level: 9-12
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