Ecotype
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Ecotypes, or ecospecies, are organisms which belong to the same species but possess different phenotypical features as a result of environmental factors such as elevation, climate and predation. Ecoty
Rangifer tarandus caribou, a member of the woodland ecotype
Artemisia campestris subsp. borealis an ecotype of Artemisia campestris
Polymorphism (biology)
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In biology, polymorphism is the occurrence of two or more clearly different morphs or forms, also referred to as alternative phenotypes, in the population of a species. To be classified as such, morph
Ecotype
…to lead to speciation through the emergence of reproductive barriers. Therefore, ecotypes have no taxonomic rank. Ecotypes are closely related to morphs or polymorphisms which is defined as the existence of distinct phenotypes among members of the same species. Another term closely related is genetic…
Light-morph jaguar
Dark-morph or melanistic jaguar (about 6% of the South American population)
The white morph of the monarch in Hawaii is partly a result of apostatic selection.
Darwin's finches by Gould