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Lecture 12

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Department
Biology
Course
BIO120H1
Professor
James Thomson
Semester
Fall

Description
Lecture 12 Evolution happens on population level, individuals do not evolve Evolution: 1) Organisms on earth have changed through time 2) Changes are gradual 3) Lineage split or branch by speciation resulting in the generation of biodiversity 4) Common ancestors 5) Natural selection Products of evolution: Biodiversity & Adaptation The variety of life on earth Any trait that contributes to fitness by making an organism better able to survive or reproduce in a given environment Theory of Evolution - Central unifying concept of biology - Affects many other areas of knowledge - Very influential Theodosius Dobzhansky, 1900-1975: fruit fly geneticist an
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