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Evolution:
⁃ Goals: understand the concepts underlying, & the relationship among, the following
terms:
⁃ evolution
⁃ natural selection
⁃ speciation
⁃ phylogeny
⁃ Natural selection acts on variation in a population resulting in evolution, which over
time can cause new species to form
⁃ the relationships among these species and their origins can be understood through
phylogeny
⁃ Biological Fitness: the ability of an indiv
...
alleles present in a
population
⁃ the number of times that an allele occurs in a gene pool, relative to other
alleles, is its relative frequency
⁃ Natural Selection & Adaptation Misconceptions
⁃ selection acts on individuals (FALSE)- evolution occurs overtime & doesn’t act on
individuals
⁃ natural selection just sorts existing variants- doesn’t change them
⁃ individuals don’t change when they’re selected, they simply produce
more surviving offspring than other individuals do
⁃ alleles in the selected individuals become more frequent in the
population
⁃ Acclimatization is not Adaption
⁃ acclimatization is when an individuals phenotype changes in response in t
changes in the env
...
types of organisms are best adapted to the env