# Biological Fitness and the Fundamental Theorem of Natural Selection

> Research article (The American Naturalist, 2015) · cited 67× · AI/ML

**Wikidata**: [openalex:W2291611344](https://www.wikidata.org/wiki/openalex:W2291611344)  
**Source**: https://4ort.xyz/entity/biological-fitness-and-the-fundamental-theorem-of-natural-selection