Selection
Islands where Darwin developed his theories about natural selection.
Pattern of evolution where long stable periods are interrupted by short periods of quicker change
What is punctuated equilibrium
Movement of alleles into or out of a population due to migration to or from the population
What is gene flow
body part that is similar to a body part of another organism but is structurally different
What is analogous structure
The forming of a new species in the course of evolution.
speciation
Humans controlling breeding of organisms.
what is artificial selection
A smaller scale evolutionary change within a species within a shorter period of time
what is microevolution
Combined genetic information of all the members of a particular population
What is gene pool
study of the distribution of organisms around the world
What is biogeography
Differences in physical characteristics between males and females of the same species.
sexual dimorphism
Natural selection that favors intermediate variants by acting against extreme phenotypes
What is stabilizing selection?
large-scale evolutionary changes that take place over long periods of time
what is macroevolution
Helps measure changes in allele frequencies over time. Provides an "ideal" population to use as a basis of comparison.
What is Hardy - Weinberg theorem
The comparison of body structures and how they vary among species
What is comparative anatomy
Study of allele frequency distribution and change under the influence of evolutionary processes.
population genetics
occurs when natural selection favors one of the extreme variations of a trait
What is directional selection
An evolutionary pattern where many species evolve from one single species
what is adaptive radiation
The formation of new species in populations that live in the same geographic area.
What is sympatric speciation
the study of the similarities and differences in different species embryos
What is comparative embryology
Number of times that an allele occurs in a gene pool compared with the number of alleles in that pool for the same gene
allele frequency
Where a single curve splits into two; occurs when individuals at the upper and lower ends of a distribution curve have higher fitness than individuals near the middle
what is disruptive selection
An incorrect theory where Lamarck believed that offspring acquires the traits of its parents.
What is inheritance of acquired traits
The formation of new species in populations that are geographically isolated from one another.
What is allopatric speciation
Structures in different species that are similar because of common ancestry.
What is homologous structure
structure that is inherited from ancestors but has lost much or all of its original function
vestigial structure