Search
Skip to Search Results- 2Miyashita, Tetsuto
- 1Adams, Emily
- 1Bird, Heather M
- 1Byers, Kaylee A.
- 1Carey, Shane F
- 1Clifford, Alexander M
-
Fall 2016
Transferrin is an evolutionary conserved protein that in addition to having a critical role in iron transport also has been shown to have a crucial role in host defence. Transferrin has been shown to sequester iron from invading pathogens, act directly against microbial pathogens, and is an...
-
The Paleobiology, Paleoecology, and Evolution of Thescelosauridae (Ornithischia) from Alberta, Canada
DownloadFall 2021
Thescelosauridae is a basal neornithischian dinosaur clade that flourished in the Cretaceous from the Aptian to the Maastrichtian. This diverse but poorly studied group of small-bodied herbivores is divided taxonomically into Orodrominae and Thescelosaurinae, and existed in Asia and North and...
-
Fall 2017
Three species of Cretaceous marine squamates are described or redescribed. The first, Pontosaurus ribaguster is described from a relatively complete specimen discovered on Hvar Island, Croatia. Preservation of identifiable nektonic teleosts within the gastric cavity (the first identifiable...
-
The Evolutionary Ecology of Parasitic Strategies: Experimental Evolution with a Facultatively Ectoparasitic Mite
DownloadSpring 2019
Although parasitism is a ubiquitous lifestyle, little empirical evidence exists for how and why parasitism evolves from free-living lineages. Analysis of phylogenetic relationships among taxa that exhibit a range of lifestyles has aided in the development of a commonly proposed hypothesis for the...
-
Fall 2020
Dromaeosaurids were small to medium sized theropod dinosaurs that diversified during the Late Cretaceous, reaching a near cosmopolitan distribution. They were diverse in morphology from the small four-winged gliders of Microraptorinae, to the bear-sized giant ‘raptors’ like Achillobator or...
-
The development and biomechanics of theropod teeth and comparisons with other reptiles: a functional analysis
DownloadSpring 2012
Teeth are important for taxonomic studies. They are often the only remains found of certain vertebrates in the fossil record. This is because they are more resistant to weathering than most bones, they are small, and they are generally abundant. Most reptiles have homodont dentition, and the...
-
Fall 2009
The name, mosasaurs, generally refers to a group of extinct, highly aquatically adapted and large-bodied squamates that lived exclusively during the Late Cretaceous, approximately from 93 to 65 million years ago, in the oceans worldwide. Plioplatecarpines (Plioplatecarpinae) were medium-sized...
-
Respiration, Acid/Base, Ammonia and Ionoregulatory Strategies in the Pacific hagfish (Eptatretus stoutii)
DownloadFall 2016
Hagfish feed on putrefied carrion, which poses several environmental challenges to the scavenger including hypoxia (Low PO2), hypercapnia (high PCO2) and high environmental ammonia (HEA). To any other organism, these conditions would be physiologically challenging; however, hagfish seem to have...
-
Fall 2010
Epithelia form protective barriers and regulate molecule transport between the mesenchyme and environment. Amongst all metazoans, only sponges are said to lack 'true' epithelia however the physiology of sponge cell layers are rarely studied empirically. Aggregates and gemmules of a freshwater...
-
Fall 2017
Leafrollers moths are one of the most ecologically and economically important groups of herbivorous insects. These Lepidoptera are an ideal model for exploring the drivers that modulate the processes of diversification over time. This thesis analyzes the evolution of Choristoneura Lederer, a well...