http://digfir-published.macmillanusa.com/ricklefs7e/ricklefs7e_ch4_1.htmlChapter 4534b0c02757a2e7930000000
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http://digfir-published.macmillanusa.com/ricklefs7e/ricklefs7e_ch4_2.htmlEcological systems and processes vary in time and space534b0c02757a2e7930000000
http://digfir-published.macmillanusa.com/ricklefs7e/ricklefs7e_ch4_2_dlap.xmlDLAP questions534b0c02757a2e7930000000
http://digfir-published.macmillanusa.com/ricklefs7e/ricklefs7e_ch4_3.htmlEnvironmental variation favors the evolution of variable phenotypes534b0c02757a2e7930000000
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http://digfir-published.macmillanusa.com/ricklefs7e/ricklefs7e_ch4_4.htmlMany organisms have evolved adaptations to variation in enemies, competitors, and mates534b0c02757a2e7930000000
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http://digfir-published.macmillanusa.com/ricklefs7e/ricklefs7e_ch4_5.htmlMany organisms have evolved adaptations to variable abiotic conditions534b0c02757a2e7930000000
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http://digfir-published.macmillanusa.com/ricklefs7e/ricklefs7e_ch4_6.htmlMigration, storage, and dormancy are strategies to survive extreme environmental variation534b0c02757a2e7930000000
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http://digfir-published.macmillanusa.com/ricklefs7e/ricklefs7e_ch4_7.htmlVariation in food quality and quantity is the basis of optimal foraging theory534b0c02757a2e7930000000
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http://digfir-published.macmillanusa.com/ricklefs7e/ricklefs7e_ch4_8.htmlSummary of Chapter Concepts534b0c02757a2e7930000000
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http://digfir-published.macmillanusa.com/ricklefs7e/ricklefs7e_ch4_9.htmlReview Questions534b0c02757a2e7930000000
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http://digfir-published.macmillanusa.com/ricklefs7e/ricklefs7e_ch4_10.htmlGraphing The Data: The Foraging Behavior Of American Robins534b0c02757a2e7930000000
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