Bergmann's rule

noun
Berg·​mann's rule | \ ˈbərg-mənz, ˈberg- \

Definition of Bergmann's rule

: a statement of the principle that within a polytypic wide-ranging species of warm-blooded animals the average body size of members of each geographic race varies inversely with the mean environmental temperature

History and Etymology for Bergmann's rule

after Karl Bergmann †1865 German biologist

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Statistics for Bergmann's rule

Cite this Entry

“Bergmann's rule.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Bergmann%27s%20rule. Accessed 30 Sep. 2022.

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