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Lecture 7

Biology lecture 7.docx

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Department
Biology
Course
BIO120H1
Professor
James Thomson
Semester
Fall

Description
Biology lecture 7 rdOctober 3 Last lectureput into last notePopulation overshoot population quickly increases until carrying capacity and once there pop quickl fallstau in equation provides time delayincreasing delay creates large overshootallee effectswas interests in social benefits hel in pop growthlow threshold If number fall below it pop goes to extinction Above it is ok If were above carrying capacity trouobles also occursAge structureOn pop pyramid we look at ages of sexesAge structure pop groeth1 populationfecundity anf survivorship vary by ageage structure has age classes age class intervalsarbitrary unitsof time chosen to five a reasonableof age classes for the organism in question Life
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