Terms : Hide Images
| 246130773 | artificial selection | The selective breeding of domesticated plants and animals to encourage the occurrence of desirable traits | |
| 246130774 | biogeography | The study of the past and present distribution of species | |
| 246130775 | cline | Graded variation in some traits of individuals that parallels a gradient in the environment | |
| 246130776 | comparative embryology | The study of structures that appear during the development of different organisms | |
| 246130777 | descent with modification | Darwin's initial phrase for the general process of evolution | |
| 246130778 | directional selection | Natural selection that favors individuals at one end of the phenotypic range | |
| 246130779 | disruptive selection | Natural selection that favors extreme over intermediate phenotypes | |
| 246130780 | evolution | All the changes that have transformed life on Earth from its earliest beginnings to the diversity that characterizes it today | |
| 246130781 | evolutionary adaptation | An inherited characteristic that enhances an organism's ability to survive and reproduce in a particular environment | |
| 246130782 | fossil record | The chronicle of evolution over millions of years of geologic time engraved in rock strata | |
| 246130783 | fossil | A preserved remnant or impression of an organism that lived in the past | |
| 246130784 | founder effect | Genetic drift attributable to colonization by a limited number of individuals from a parent population | |
| 246130785 | gene flow | The loss or gain of alleles in a population due to the migration of fertile individuals or gametes between populations | |
| 246130786 | gene pool | The total aggregate of genes in a population at any one time | |
| 246130787 | genetic drift | Changes in the gene pool of a small population due to chance | |
| 246130788 | Hardy-Weinberg equilibrium | The condition describing a non-evolving population (one that is in genetic equilibrium) | |
| 246130789 | heterozygote advantage | Greater reproductive success of heterozygous individuals compared to homozygotes | |
| 246130790 | homologous structures | Structures in different species that are similar because of common ancestry | |
| 246130791 | microevolution | A change in the gene pool of a population from generation to generation | |
| 246130792 | modern synthesis | A theory of evolution emphasizing natural selection, gradualism, and populations as the units of evolutionary change | |
| 246130793 | molecular biology | The study of genes and gene expression | |
| 246130794 | mutation | A rare change in the DNA of a gene ultimately creating genetic diversity | |
| 246130795 | natural selection | Differential success in reproduction resulting from the interaction of organisms with their environment | |
| 246130796 | neutral variation | Genetic diversity that confers no apparent selective advantage | |
| 246130797 | polymorphic | Referring to a population in which two or more physical forms are present in readily noticeable frequencies | |
| 246130798 | population | A group of individuals of one species that live in a particular geographic area | |
| 246130799 | population genetics | The science of microevolutionary changes in populations | |
| 246130800 | sexual dimorphism | A special case of polymorphism based on the distinction between the secondary sex characteristics of males and females | |
| 246130801 | stabilizing selection | Natural selection that favors intermediate variants by acting against extreme phenotypes |
