5 Questions
What is the mechanism that consistently causes adaptive evolution?
Natural selection
Which mode of selection favors individuals at one end of the phenotypic range?
Directional selection
What does relative fitness measure?
Contribution to the gene pool of the next generation
What can increase the fitness of a population?
$ ext{Gene flow}$
What is the only mechanism that consistently causes adaptive evolution?
$ ext{Natural selection}$
This lecture slide discusses how gene flow can lead to an increase in the fitness of a population, using the example of insecticide resistance alleles spreading among mosquito populations. It also touches upon natural selection as the consistent mechanism for evolution.
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