Lecture 1-Darwin+Co.Fall07

Lecture 1-Darwin+Co.Fall07 - BIOS230 EcologyandEvolution

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BIOS 230 Ecology and Evolution Please pick up a syllabus Instructor: Karin Nelson TA: Diane McCarthy
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BIOS 230 Ecology and Evolution Our texts are: Evolutionary Analysis (2nd Custom Edition for UIC) by Freeman and Herron Essentials of Ecology (2nd Ed.) by Townsend, Begon, and Harper
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What is Evolution? The process of species change over time The way that new species arise Changes in the genetics of populations from generation to generation
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Why do we study evolution? To understand the great diversity of life To study how species, families, orders, classes, and phyla are interrelated To understand the evolutionary history contained in the fossil record
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Why do we study evolution cont’d. To understand disease and develop effective treatments To manage endangered species
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What are the basic units of evolution? Genes (regions of DNA) Organisms Populations Species Clades (related species with a common ancestor)
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What is life’s history? When did various species evolve? Who: what groups can be distinguished; what are the criteria? Where: what habitats and physical conditions were present? How do we tell who’s related to whom and how close is that relationship?
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What is Ecology? The study of the abundance and distribution of plants and animals How these organisms relate to each other and to their environment
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How do these disciplines intersect? Evolutionary forces shape the ecology of species Species influence other species and their evolution
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5 characteristics of life growth and development acquire nutrients and process energy respond to stimuli/react to the environment maintain homeostasis (regulation of organism) reproduction
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Lava Lizards
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Galapagos Mockingbirds Santa Fe Santa Cruz Isabela Genovesa Espanola
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Galapagos Floreana Espanola San Cristobal
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Tropical mockingbird Bahama mockingbird
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Lecture 1-Darwin+Co.Fall07 - BIOS230 EcologyandEvolution

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