Pop Gen 3 Flashcards
Competition
Involves the interaction among individuals attempting to utilize a limited resource
Coevolution
When one species evolves new adaptations in response to new features in another species
Sexual Selection
When selection favors traits that help an organism acquire a mate
What are three ways natural selection can affect a population over time?
Directional, Diversifying, and Stabilizing selections
Directional Selection
When selection favors individuals with an extreme-value trait
Disruptive Selection
When selection favors individuals at both extremes of a trait
Stabilizing Selection
When selection favors individuals with the average value of a trait
balanced polymorphism
keeping both alleles around in the heterozygote organisms while selecting against the two homozygous choices