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  2. Population structure (genetics) - Wikipedia

    en.wikipedia.org/wiki/Population_structure...

    Population structure (also called genetic structure and population stratification) is the presence of a systematic difference in allele frequencies between subpopulations.In a randomly mating (or panmictic) population, allele frequencies are expected to be roughly similar between groups.

  3. Glossary of biology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_biology

    This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...

  4. Stratification (vegetation) - Wikipedia

    en.wikipedia.org/wiki/Stratification_(vegetation)

    Through the formation of different layers a given habitat is better utilized. Strongly vertically stratified habitats are very stable ecosystems. The opposite is not true, because several less stratified vegetation types, such as reed beds, can be very stable. The layers of a habitat are closely interrelated and at least partly interdependent.

  5. Stratification - Wikipedia

    en.wikipedia.org/wiki/Stratification

    Stratification (seeds), where seeds are treated to simulate winter conditions so that germination may occur Stratification (clinical trials), partitioning of subjects by a factors other than the intervention

  6. Category:Glossaries of biology - Wikipedia

    en.wikipedia.org/wiki/Category:Glossaries_of_biology

    Download as PDF; Printable version; In other projects Wikidata item; ... Glossary of invasion biology terms; L. List of Latin and Greek words commonly used in ...

  7. Category:Biology terminology - Wikipedia

    en.wikipedia.org/wiki/Category:Biology_terminology

    Anatomical terms are not included here and appear in sub-categories of the main Anatomy category. Initially, some alignment between this category and the article Glossary of biology was considered, but the inclusion criteria for the Glossary is substantially broader and encompasses terminology, concepts, objects and processes.

  8. Spatial heterogeneity - Wikipedia

    en.wikipedia.org/wiki/Spatial_heterogeneity

    The spatial stratified heterogeneity categorises the geographic phenomena whose the within-strata variance of its attributes' values is significantly lower than its between-strata variance, such as collections of ecological zones or land-use classes within a given geographic area depict.

  9. Stratification (seeds) - Wikipedia

    en.wikipedia.org/wiki/Stratification_(seeds)

    Any seeds that are indicated as needing a period of warm stratification followed by cold stratification should be subjected to the same measures, but the seeds should additionally be stratified in a warm area first, followed by the cold period in a refrigerator later. Warm stratification requires temperatures of 15–20 °C (59–68 °F).