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Lecture 4: Evolution, Biodiversity and population ecology (Natural…
Lecture 4: Evolution, Biodiversity and population ecology
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Extinction
Background extinction: Normal species loss, Result of natural selection
Mass extinction: Atypical species loss, Sudden catastrophic loss of large numbers of species see table on slides
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Ecological organization
On a scale of atoms to organisms, the closer something is to an organism, the more relevance to environmental science or ecology
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Populations
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Population distribution
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Reproductive strategies:
Sex ratio, age structure and birth/death rate: type 1,2, or 3 (types of reproduction/ upbringing see slide 12 for diagram
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