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Published byRalph Stevens Modified over 9 years ago
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1.1 Biodiversity-An Introduction Pages 8-13
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Biodiversity The number and variety of living things
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Species Members of a group of living things that can produce fertile offspring.
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Hybridization Plants of different species successfully reproduce.
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Morphology Plants, fungi and many microorganisms do not “breed” so we use physical characteristics to define species
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Evolutionary Changes Physical changes Behavioural changes
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Genetic Diversity Range of traits among members of the same species
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Feeding Heterotrophs acquire nutrients from outside themselves Autotrophs make their own food through photosynthesis
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Species Diversity Variety of species Number of individuals
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Structural diversity Physical shapes Sizes Distribution Habitats communities
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Biodiversity at Risk Food supply at risk Medicines lost Economic impact on tourism, forestry Biogeochemical cycle disruptions
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