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biodiversity lec 1.docx

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Biological Sciences
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Mark Fitzpatrick

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Biology Biodiversity Notes Biodiversity is the variety in abundance of organisms, genes, and ecosystems found in a given area. 1) Species Diversity -variety and abundance of species in a given area Species: group of organisms that share similar structures and interbreed together 2) Genetic Diversity -Variety in heritable characteristics in a healthy breeding population -All different types of genes in the earth lead to species diversity -Importance: resistance to diseases -Populations lacking genetic diversity are prone to disease than higher diversity nd -2 Importance: Conservation of endangered species -take species from another population and add it in to introduce new genes 3) Ecosystem Diversity -Variety of ecosystem in the biosphere -Ecosystem: result of biological, climatic, and geological and chemical ingredients in an area Biodiversity Hotspots: very good conditio
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