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Experimental Manipulation of Body Size to Estimate Morphological Scaling Relationships in Drosophila

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Digest: Form-function relationships across scales in lacertid lizards.

Vanessa Parra¹, Yuanxing Liao¹, Phillip Skipwith¹

¹Department of Biology, University of Kentucky, Lexington, KY, United States.

Evolution; International Journal of Organic Evolution

|June 12, 2026

Summary

Form and function correlate in lizards, but this relationship varies across evolutionary scales. Different body shapes can lead to similar functional results in Lacertidae lizards.

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Area of Science:

Evolutionary biology
Comparative anatomy
Herpetology

Background:

The relationship between an organism's form (morphology) and its function is a fundamental concept in biology.
Understanding how this relationship varies across different taxonomic levels is crucial for evolutionary studies.

Purpose of the Study:

To investigate the correlation between form and function in lizards of the family Lacertidae.
To determine if this form-function relationship is consistent across different evolutionary scales.

Main Methods:

Comparative analysis of morphological traits and functional data in Lacertidae lizards.
Statistical examination of the correlation between form and function at various taxonomic levels.

Main Results:

A significant correlation between form and function was observed in Lacertidae lizards.
The magnitude and direction of this correlation varied significantly across different evolutionary scales.
The direction of the form-function relationship was not conserved across taxonomic levels.

Conclusions:

Form and function are correlated in Lacertidae lizards, but this relationship is not universally predictable.
Similar functional outcomes can be achieved through diverse morphological configurations in this lizard family.
Evolutionary processes can lead to decoupled form-function relationships across taxonomic ranks.