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Niche variation and the maintenance of variation in body size in a burying beetle
Hopwood, Paul Edward; Moore, Allen J.; Tregenza, Tom; et al. (John Wiley & Sons, 12 October 2015)1. In burying beetles (Nicrophorinae) body size is known to provide both a fecundity advantage (in females) and successful resource defence (in males and females). Despite this, considerable variation in body sizes is ... -
Variation in carotenoid-containing retinal oil droplets correlates with variation in perception of carotenoid coloration
Caves, EM; Schweikert, LE; Green, PA; et al. (Springer, 29 June 2020)In the context of mate choice, males may vary continuously in their expression of assessment signals, typically reflecting information about variation in mate quality. Similarly, females may exhibit variation in mate ... -
Explaining Variations in Municipal Hospital Provision in the 1930s: a study of Councils in the far South West
Neville, Julia (University of Exeter Politics, 10 December 2009)Recent work has sought to explain the striking variations in municipal hospital provision in the 1930s by quantitative analysis. Such work has not so far provided a hypothesis which satisfactorily explains the range of ...