##  [Red Queen Hypothesis](/red-queen-hypothesis) 

  ##  [Red Queen Hypothesis](https://natural.quantumdictionary.io/red-queen-hypothesis-0) 

  

 [![Natural & Formal Sciences Dictionary](/sites/default/files/styles/large/public/2026-01/Natural%20%26%20Formal%20Sciences.png.webp?itok=2kCDRVQv)](/topic-specific-dictionaries/natural-formal-sciences)



**Natural & Formal Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

An evolutionary hypothesis that organisms must continually adapt and evolve not merely to gain advantage but to maintain relative fitness because interacting species (predators, parasites, competitors) are also evolving; hence, ongoing evolutionary change is required to avoid decline.