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Articles 1 - 12 of 12
Full-Text Articles in Ecology and Evolutionary Biology
A Survey Of Captive Wild And Exotic Animal Training Programs In The Eastern United States, Savannah Atchison
A Survey Of Captive Wild And Exotic Animal Training Programs In The Eastern United States, Savannah Atchison
Senior Honors Theses
Methods of positive reinforcement as a successful means for animal training are the result of many years of research into operant conditioning and learning. However, current literature is unclear on the extent to which these methods are utilized in captive wild and exotic animal populations in the United States. Through phone interviews with animal trainers employed at zoos and wildlife rehabilitation centers in the eastern United States, the author determined that these facilities are currently utilizing positive reinforcement training methods which are proving to be a great benefit for all parties involved. They are enabling a variety of voluntary health …
Resistance Of The Freshwater Microbiome To A Combination Of Pesticides, Gabriel Hooper
Resistance Of The Freshwater Microbiome To A Combination Of Pesticides, Gabriel Hooper
Senior Honors Theses
Pesticides are used prevalently throughout the United States and can negatively affect non-target organisms. Rain run-off can move multiple pesticides into freshwater ecosystems and bring them in contact with non-target organisms that have variable tolerances to pollution. This study seeks to improve our understanding of how an acute exposure to a combination of pesticides may restructure microbial communities by examining the microbiome before and after a 48-hour exposure to 2000 ppb of herbicides (glyphosate, atrazine, and 2,4-D). Pesticide exposure did not significantly alter the alpha or beta diversity of the sample types, which demonstrates the ability of freshwater microbiomes to …
Physiological And Behavioral Effects Of Climate Change On Wildlife: An Introduction And Overview, Andy Clarke
Physiological And Behavioral Effects Of Climate Change On Wildlife: An Introduction And Overview, Andy Clarke
Senior Honors Theses
Planetary environmental system changes have been recorded and documented for several decades. Fluctuations that were first noticed in atmospheric carbon-dioxide levels have now extended into global pattern changes. Climatic variations that were initially non-threatening variabilities have since been observed creating significant biological influences. The results and evidence of the effects of worldwide environmental climate change on wildlife and biotic environments are worth examining because of the impacts it has on the planet. These climatic effects extend from changes in distribution and diversity patterns of terrestrial mammals to sea-life impacts and recovery trends. Possible wildlife benefits may include increased humidity and …
Identification Of Microbiota Associated With The Ectosymbiotic Community Structure Of The Appalachian Brook Crayfish (Cambarus Bartonii), Matthew M. Cooke 6268927, Luke T. Fischer, Taylor Griffin, Sherrie Jeffers
Identification Of Microbiota Associated With The Ectosymbiotic Community Structure Of The Appalachian Brook Crayfish (Cambarus Bartonii), Matthew M. Cooke 6268927, Luke T. Fischer, Taylor Griffin, Sherrie Jeffers
Montview Journal of Research & Scholarship
Microbes play a significant role in ecosystems, effecting the vital functions of other organisms, interspecies relationships, and population sizes. Based upon previous research (Skelton et al., 2016), it has been hypothesized that crayfish symbionts (branchiobdellidans) play a significant role in regulating the amount of microbiota associated with the host. A growing body of knowledge is known regarding both the condition of gill fouling and the annelid worm’s symbiotic relationship with the crayfish (Skelton et al., 2016; Skelton et al., 2016). However, there is little to no evidence available concerning the bacteria’s role in the process (Skelton et al., 2016). Microbial …
Integrating The Field Of Prebiotic Chemistry Into A Christian Worldview, Matthew B. Anderson
Integrating The Field Of Prebiotic Chemistry Into A Christian Worldview, Matthew B. Anderson
Senior Honors Theses
This thesis will provide an overarching examination into the scientific field of prebiotic chemistry, the purported chemistry of the formation of life on earth. Prebiotic chemistry is a critical area of science particularly for Christian scientists to study since it is used by many evolutionists as evidence for the evolution of life, rather than the formation by an intelligent designer. Extensive literature-based research from previously published articles will be conducted on the formation of biologically necessary molecules, including amino acids. Primary focus will be placed on the formation of amino acids in a primordial earth environment, first demonstrated by the …
The Interactive Effects Of Annual Climatic Variability And Rangeland Management On The Reproductive Success Of Dickcissels (Spiza Americana), Lauren A. Spahr
The Interactive Effects Of Annual Climatic Variability And Rangeland Management On The Reproductive Success Of Dickcissels (Spiza Americana), Lauren A. Spahr
Senior Honors Theses
Grassland songbird populations have declined due to poor rangeland management and habitat fragmentation. Few studies have taken into account variation in climatic conditions in tallgrass prairie systems when determining the factors contributing to songbird reproductive success. During a six year study we measured reproductive success in Dickcissels on five rangeland treatments. We estimated daily survival rates (DSRs) and linked estimates of daily survival to rangeland management type and climate data. DSRs were best predicted by the model including mean temperature, winter season precipitation, and interactions, which had 7.5 times more support than the constant model. Mean annual temperature was negatively …
Weathering The End Times, Donald W. Holdridge Sr.
Weathering The End Times, Donald W. Holdridge Sr.
Eruditio Ardescens
“Weathering the End Times” first addresses some of the major arguments for and against man-caused Climate Change, and then portrays where the various elements of Christendom fall within this debate. It goes on to examine the prophetic Scriptures that relate to the environments of the Tribulation, Millennial Kingdom and Eternal State, concluding that God-caused Climate Change is what believers truly need to focus on.
Northern Saw-Whet Owls: A Descriptive Look At Their Anatomy, Behavior, And Migration, Brandon M. Ray
Northern Saw-Whet Owls: A Descriptive Look At Their Anatomy, Behavior, And Migration, Brandon M. Ray
Senior Honors Theses
The Northern Saw-whet Owl (Aegolius acadicus) is a small species of migratory owl native to North America. Through an analysis of research conducted at Liberty University’s Camp Hydaway in the Piedmont of Virginia as well as comparison studies at owl netting stations in the mountains and the coastal plain, it was shown that the Northern Saw-whet migrates along consistent routes southward while the timing and frequency of the migration varies by several days based on sex, age, owl population fluctuations, weather, and the owls’ physical health. Several years’ worth of owl capture data were compiled from stations across …
Reproductive Isolation And Cryptic Introgression In A Sky Island Enclave Of Appalachian Birds, Gene D. Sattler, Michael J. Braun
Reproductive Isolation And Cryptic Introgression In A Sky Island Enclave Of Appalachian Birds, Gene D. Sattler, Michael J. Braun
Faculty Publications and Presentations
Reproductive isolation is central to the speciation process, and cases where the strength of reproductive isolation varies geographically can inform our understanding of speciation mechanisms. Although generally treated as separate species, Black-capped chickadees (Poecile atricapillus) and Carolina chickadees (P. carolinensis) hybridize and undergo genetic introgression in many areas where they come into contact across the eastern United States and in the northern Appalachian Mountains. The Great Smoky Mountains harbor the last large breeding population of atricapillus in the southern Appalachians, isolated from the species’ main range by nearly 200 km. This population is believed to be reproductively isolated from local …
From A Rodent To A Rhetorician: An Ideological Analysis Of George Alexander Kennedy's Comparative Rhetoric, James Begley
From A Rodent To A Rhetorician: An Ideological Analysis Of George Alexander Kennedy's Comparative Rhetoric, James Begley
Masters Theses
George Alexander Kennedy, a professor of classics at the University of North Carolina at Chapel Hill, has given birth to a new understanding of rhetorical studies: he argues for the evolution of rhetoric from animals to humans. Using Sonja Foss's methodology of "ideological criticism," this thesis examined Kennedy's case as presented in his book, Comparative Rhetoric: an Historical and Cross-Cultural Introduction. This study discovered that the book was heavily influenced by a secular, pro-evolutionary ideology which dually contributed to its selective use of scientific evidences and production of inconsistent arguments. Evaluated on the basis of Biblical principles, this thesis concluded …
Identification Of Eurycea Using Cytochrome B, Karis A. Myers
Identification Of Eurycea Using Cytochrome B, Karis A. Myers
Senior Honors Theses
Genomic sequencing is a powerful tool that has many applications for research, one of which is in the field of taxonomy and the identification of species. This thesis discusses the mitochondrial gene cytochrome b and its utility in population genetics and identification of larval amphibians. The development of the Polymerase Chain Reaction and primers are an integral part of the modern DNA sequencing process. The Polymerase Chain Reaction is used to amplify a target DNA sequence, and the protocol for this procedure must be optimized for the specific sequence of target DNA. Primers must also be designed and modified for …
Who Believes What? Clearing Up Confusion Over Intelligent Design And Young-Earth Creationism, Marcus R. Ross
Who Believes What? Clearing Up Confusion Over Intelligent Design And Young-Earth Creationism, Marcus R. Ross
Marcus R. Ross
The question of what differentiates young-Earth creationism (YEC) from Intelligent Design (ID) has resulted in inaccurate and confusing terminology, and hinders both understanding and dialogue. Though both YEC and ID groups have drawn distinctions between themselves, previous attempts to classify design-based positions on origins have been unable to adequately resolve their relationships. The Nested Hierarchy of Design, a multiple-character classification system, categorizes teleological positions according to the strength of claims regarding the reality, detectability, source, method, and timing of design, and results in an accurate and robust classification of numerous positions. This method avoids the philosophical and theological pitfalls of …