pops 1 fo8 students

pops 1 fo8 students - Levels of Biological Organization...

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1 Brooker, Fig. 1.3; See also Campbell, Fig. 1-4 Levels of Biological Organization • What is ecology? • What is a population? • Individuals in a population: – Rely on the same ______________ – Are influenced by same __________________ – Are likely to _________________ with each other • Population ecology is study of how and why the number of individuals in a population changes over time 1. Population Characteristics • Density • Dispersion • Population structure • Population rates 2. Life History Traits
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2 Density usually limited by: Resources - Limiting Agents - 1. Population Characteristics Density: Often results from: Clumped dispersion: 1 2 Brooker, Fig. 56.2 Campbel , Fig. 53.4 ht p:/ www.wildimages.biz/p7hg_img_1/ful size/Che tah-group-at-marking-tre -Namibia-LS05150-07507C_fs.jpg Density: 1. Population Characteristics, cont’d Often results from: 1 2 Brooker, Fig. 56.2 Campbel , Fig. 53.4 Uniform dispersion: Random dispersion: Flour beetles in container of flour – environment is homogenous
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This note was uploaded on 09/29/2008 for the course BIO 101 taught by Professor Thoma during the Spring '08 term at Wisconsin.

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pops 1 fo8 students - Levels of Biological Organization...

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