Chapter 19 Lecture Notes Fall 2007

Chapter 19 Lecture Notes Fall 2007 - Factors Shaping...

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1 Factors Shaping Community Structure Food Availability Adaptive Traits of Each Species Species Interactions Patterns Population Sizes Topography Effects Niche Categories of Species Interactions commensalism mutualism competition (interspecific) predation parasitism Effect on species 1 Effect on species 2 + + + + + 0 - - - -
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2 Commensalism epiphytes Mutualism lichen (fungus Mutualism Bat pollination of night-blooming cactus Obligatory Mutualism Fig. 19.2 Competition intra specific or inter specific competition stronger?
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3 Fig. 19.4 Interspecific Competition Paramecium caudatum Paramecium aurelia Fig. 19.5 7 species of Anolis lizards- microhabitats A. distichus A. insolitus Campbell Smartweed Indian mallow Bristly foxtail Fig. 19.6
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4 Predation Fig. 19.9 Arctic hare ptarmigan flatfish bittern Prey Adaptations Dendrobates Monarch butterflies
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5 Fig. 29.10 Mimicry Prey Adaptations Coevolution of Predators Parasites - live in or on hosts viruses Sheep tapeworm many bacteria roundworms
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Chapter 19 Lecture Notes Fall 2007 - Factors Shaping...

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