BERGMANN SIZE CLINES: A SIMPLE EXPLANATION FOR THEIR OCCURRENCE IN ECTOTHERMS

• Published in: Evolution Vol. 50; no. 3; p. 1259
• Main Author: Van Voorhies, Wayne A
• Format: Journal Article
• Language: English
• Published: United States 01.06.1996
• Subjects: body size; temperature; Caenorhabditis elegans; cell size; Bergmann size cline; Bergmann's Rule

In general ectothermic organisms grow larger at both lower temperatures and higher latitudes. Adult size in the soil nematode Caenorhabditis elegans reared at 10°C was approximately 33% greater than worms grown at 25°C. Nematode egg size and fish red blood cell size showed similar size increases at...