Bergmann's rule


Berg·​mann'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

Word History


after Karl Bergmann †1865 German biologist

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Dictionary Entries Near Bergmann's rule

Cite this Entry

“Bergmann's rule.” Dictionary, Merriam-Webster, Accessed 18 May. 2024.

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