Evolution of Populations Crossword

Combined alleles of all individuals in a population
Measure of how common a certain allele is in a population
Type of distribution where the frequency is highest near the mean value and decrease toward each extreme end of the range
Observable change in the allele frequencies of a population over time
A type of selection that favors phenotypes at one extreme end of a trait's range
A type of selection that favors the intermediate phenotype and makes it more common in the population
A type of selection where both extreme phenotypes are favored, while individuals with intermediate phenotypes are selected against by something in nature
Movement of alleles from one population to another
Change in allele frequencies that are due to chance
Genetic drift that occurs after an event greatly reduces the size of the population.
Genetic drift that occurs after a small number of individuals colonize a new area.
Occurs when certain traits increase mating success.
Identified five conditions needed for a population to stay in equilibrium
This occurs when members of different population can no longer mate successfully with one another.
Isolation caused by differences in courtship and mating behaviors.
Isolation that involves physical barriers
Isolation that involves timing preventing reproduction.
Evolution toward similar characteristics in unrelated species
Closely related species evolve in different directions, they become increasingly different
The process in which two or more species evolve in response to changes in each other.
Elimination of a species from Earth.
Bursts of evolutionary activity which are then followed by periods of stability.
The diversification of one ancestral species into many descendant species.
The rise of two or more species from one species that already exists