diversity Diversity(Species richness/evenness)=variation. Why perserve diversity? Time delay.
species_endangered Plants + vertebrates=20% known species,
ecosystem_services Why save Snail Darter, Spotted Owl? Ethics and the Spotted Owl Controversy The Snail Darter Case: TVA versus the Endangered Species Act
medicines Echinacea. Opium latex -> heroin; Periwinkle should give Vinblastine; Penstemon digitalis slows heart rate
Ephedra (Mormon Tea or Ma Huang) diet pill, cardiovascular risks Minnesota Viking Korey Stringer (2001), Baltimore Orioles pitcher Steve Bechler (2003). Making Stuff: Smarter: 7:25: shark skin; 11:55 gecko feet CUE UP NSN_Leeches.mp4 Medicinal leech (NOVA scienceNOW) Maggot Therapy
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Samoa traditional medicine; Hawaiian silversword: biodiversity hotspots: endemic, endangered.
Tropical Andes, Guinean Forests, Polynesia/Micronesia, Indo-Malaysian Archipelago
Isolation -> radiation
Mamala tree -> prostratin HIV drug, not cancer cure.