Lecture 10 Disease

Lecture 10 Disease - Mon. Sept 28 To Do List Please pick up...

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Mon. Sept 28 To Do List Please pick up your write-ups and hypothesis handout • Article Write-up #1 • New World Megafauna Extinctions con’t • Domestic Animals and Disease Transfer
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Humans as Habitat • We are habitat to many organisms • Some neutral (commensals) • Some beneficial or even essential (mutualism) – Bacteria in intestines • Some harmful (parasites or “diseases” = “pathogens”) – Some of these destroy the environment in witch they depend!
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• Human Behavioral change = ecological change • Effects on ecology at multiple scales including microecology • Selective pressures on micro-organisms • New ecological niches • New opportunities for dispersal
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Microecology Microorganism’s Habitat Animals –including humans Soil, water, air Dispersal=Transmision Human to human – Direct contact, contact with waste, exposure to exhalants Animal to human – Animal bites, animal waste, animal consumption Habitat to human/animal – Contact, disturbance of habitat
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Lecture 10 Disease - Mon. Sept 28 To Do List Please pick up...

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