Biological Sciences: Recent submissions
Now showing items 41-60 of 71
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Testosterone (T) and Triiodothyronine (T3) in Franklin’s Gull (Leucophaeus Pipixcan) Eggs
(North Dakota State University, 2018)Maternally-derived hormones are known to influence the growth and development of offspring. The differential deposition of these maternally-derived hormones into egg yolk is one way by which females can alter and impact ... -
Environmental Components of Phenotypic Variation Dietary and Trans-Generational Effects on Behavior
(North Dakota State University, 2017)Phenotypic variation, or the total variation in a trait, and its components are of great importance in the fields of evolutionary and behavioral ecology. Phenotypic variation can be broken down into both environmental and ... -
Surfing the Semester: A Study of the Flow of Active Learning Implementation
(North Dakota State University, 2017)Instructional reforms have been called for on a national level. Little data exists as to how changes take place. This study explored the implementation of active learning practices by non-tenure and tenure track faculty ... -
Eat to Reproduce: The Role of Diet Quantity on Honey Bee (Apis Mellifera) Caste Determination
(North Dakota State University, 2017)The received wisdom is that diet quality drives this queen-worker dichotomy, even though diet quantity differs significantly between queen and worker diet. Diet quantity likely determines honey bee caste; yet it has never ... -
Low Temperature Stress in the Alfalfa Leafcutting Bee, Megachile Rotundata
(North Dakota State University, 2017)Dramatic changes in ambient temperature can have a significant impact on insect physiology throughout development. The accumulations of the deleterious physiological effects throughout low temperature exposure are collectively ... -
Evidence of Climate Niche Creation in the Northern Great Plains: The History of Invasion, Population Genetics, Competitive Effect, and Long-Term Trends of Invasive Poa Pratensis L.
(North Dakota State University, 2016)Understanding the mechanisms of invasion is critical in order to control an invasive species. Poa pratensis L. (Kentucky bluegrass) is an invasive species that has been present in the northern Great Plains (NGP) for over ... -
The Prairie Science Classroom: Original Outcome Durability and Impact on the Connection to Nature
(North Dakota State University, 2017)Environmental Education (EE) seeks to create an informed citizenry capable of taking action on environmental issues. Recent calls for more consistent evaluation of EE point to a need for more long-term evaluations as well ... -
Expression of HIF-1 Alpha and HIF-1 Beta in Insects Throughout Juvenile Development
(North Dakota State University, 2016)Insects grow exponentially from hatching to adult. This growth is punctuated by periodic molts during which the exoskeleton, including the large airways of the respiratory system, is enlarged and replaced. Major tracheae ... -
Population Dynamics and Management Implications for American White Pelicans (Pelecanus Erythrorhynchos) Breeding at Marsh Lake, Lac Qui Parle Wildlife Management Area, Minnesota
(North Dakota State University, 2016)The American white pelican (Pelecanus erythrorhynchos) is a prominent breeding bird in Minnesota, but little information has been available on their production, population dynamics, growth and development, or demographic ... -
Social and Acoustic Behavior of the Leaf-Roosting Bat Thyroptera Tricolor
(North Dakota State University, 2015)The limited availability of refuges may represent an important factor promoting the evolution of sociality, particularly in bats. Spix’s disc-winged bats (Thyroptera tricolor) show highly specialized morphological adaptations ... -
From Alcelaphus to Zapus: Conservation of Modern Mammalian Populations
(North Dakota State University, 2015)Conservation priorities are increasingly important in the face of modern human activities. Anthropogenic activities such as deforestation, pollution, and climate change have negative impacts on all vertebrates. In chapter ... -
Suites of Behavioral and Physiological Characteristics of Japanese Quail (Coturnix Japonica)
(North Dakota State University, 2015)The concept of personalities is used as a way to understand suites of behaviors associated with how animals cope with change. Animal personalities can be described along a continuum from bold to shy and describe suites of ... -
Growth Hormone Mediated Regulation of Osmoregulation in Euryhaline Teleosts
(North Dakota State University, 2014)Within the multitude of fish species that exist on our planet, there are a certain number that possess the unique ability to live in both freshwater (FW) and seawater (SW) environments. This ability, known as euryhalinity, ... -
Ecophysiological Implications of Spring Conditions on the Alfalfa Leafcutting Bee, Megachile rotundata
(North Dakota State University, 2017)Spring conditions stimulate development of many plants and animals after a period of winter dormancy. Climate change is predicted to cause earlier spring thaws, increasing temperature variability, and more frequent cold ... -
The Effectiveness of 9, 10 Anthraquinone as a Repellent to Protect Oilseed Sunflower from Blackbird Depredation
(North Dakota State University, 2014)Across the Prairie Pothole Region of North America, blackbirds (Icteridae) cause millions of dollars in damage to sunflower crops annually, but effective methods to prevent or limit blackbird damage to sunflower crops are ... -
Characterizing the Immune Response of the Alfalfa Leafcutting Bee throughout Pupal Development
(North Dakota State University, 2015)Megachile rotundata is a solitary cavity nesting bee that is the primary commercial pollinator of alfalfa in North America. During prepupal to adult development, they may be exposed to fungal, parasitic, and bacterial ... -
The Distribution and Habitat Use of North Dakota Bats
(North Dakota State University, 2014)Prior to 2009, a comprehensive statewide survey of occurrence and distribution of bats in North Dakota had not been conducted. From 2009 to 2012, mist netting, radio telemetry, and acoustic monitoring were conducted to ... -
Drawing on Student Knowledge in Human Anatomy and Physiology
(North Dakota State University, 2014)Prior to instruction, students may have developed alternative conceptions about the mechanics behind human physiology. To help students re-shape these ideas into correct reasoning, the faulty characteristics reinforcing ... -
Student Interpretations of Phylogenetic Trees in an Introductory Biology Course
(North Dakota State University, 2013)Phylogenetic trees are a common visual representation in biology, and the most important visual representation used in evolutionary biology. Thus, phylogenetic trees have also become an important component of biology ... -
Stereotype Threat in the Introductory Science Classroom: Investigating Its Existence and Triggers
(North Dakota State University, 2013)Research in undergraduate education has documented achievement gaps between men and women in math and physics that may reflect, in part, a response to perceived stereotype threat. My research efforts aimed to reduce ...