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Lecture9EcosystemServices - Scales of Ecological...

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Scales of Ecological Organization Ecosystem Scale
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Ecosystem A community of animals and plants interacting with one another and their physical environment Includes physical and chemical components such as soils, water, nutrients that support the organisms that live within them, ranging from bacteria to rainforest trees to elephants and humans too
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the processes and conditions provided by ecosystems that are beneficial to humans and other organisms Ecosystem Services the processes and conditions provided by ecosystems that are beneficial to humans and other organisms
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Ecosystem Services Biodiversity 80% of people rely on natural medicinal products Top 150 prescription drugs in the US: 118 from natural sources 74% from plants 18% from fungi 5% from bacteria 3% from vertebrates
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Rosy Periwinkle Used to treat lymphoma & leukemia
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Ecosystem Services Pollination Over 100,000 animal species freely pollinate plants bats bees flies moths beetles birds butterflies One third of human food comes from plants pollinated by wild pollinators
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1. maintain biodiversity
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