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University of South Dakota

Theses/Dissertations

2023

Chameleon

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Full-Text Articles in Life Sciences

Ecological And Evolutionary Drivers Of Chameleon Forelimb Variation, Ellie M. Schley May 2023

Ecological And Evolutionary Drivers Of Chameleon Forelimb Variation, Ellie M. Schley

Honors Thesis

Skeletal anatomy can vary greatly among individuals of the same family that share a common ancestor. Differences in skeletal anatomy and morphology allow species to be better suited to their environments. The study of skeletal anatomy variation as it pertains to species relatedness and habitat variation can provide useful insight into what may be driving evolutionary patterns among species. Specifically, studying skeletal anatomy of the forelimb could allow for better understanding of how the forelimb anatomy differs based on the arboreality of the species, which allows for better understanding of how habitat can affect morphology. To study the skeletal structure …


How Phylogeny And Arboreality Affect Pelvic Girdle Anatomy Of Chameleons, Dakota J. John May 2023

How Phylogeny And Arboreality Affect Pelvic Girdle Anatomy Of Chameleons, Dakota J. John

Honors Thesis

Morphological adaptations have allowed animals to inhabit different landscapes such as mountains, forests, plains, etc. These adaptations have increase in prevalence through natural selection processes in all species which allow favorable traits to be passed to offspring. Chameleons have evolved a plethora of adaptations that have allowed them to persist in different niches. One anatomical feature of chameleons that has not been well studied is the pelvic girdle. The pelvic girdle bridges the axial and appendicular skeletons in animals, so the size, shape, and orientation of the girdle is important to how the animal functions in its environment. The pelvic …